CVE-2021-25978 - Vulnerability Details - OpenCVE

Description

Apostrophe CMS versions between 2.63.0 to 3.3.1 are vulnerable to Stored XSS where an editor uploads an SVG file that contains malicious JavaScript onto the Images module, which triggers XSS once viewed.

Published: 2021-11-07

Score: 5.4 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Apostrophe

Apostrophe

affected

Version	Status	Constraints
`unspecified`	affected	≤ 3.3.1
`2.63.0`	affected	< unspecified

Configuration 1 [-]

cpe:2.3:a:apostrophecms:apostrophecms:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Upgrade to version 3.4.0

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-2296	Apostrophe CMS versions between 2.63.0 to 3.3.1 are vulnerable to Stored XSS where an editor uploads an SVG file that contains malicious JavaScript onto the Images module, which triggers XSS once viewed.
Github GHSA	GHSA-4r9c-jghc-cx5m	Cross-site Scripting in apostrophe

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00206.

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://github.com/apostrophecms/apostrophe/commit/c8b94ee9c79468f1ce28e31966cb0e0839165e59

History

Wed, 30 Apr 2025 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Apostrophecms Apostrophecms

MITRE

Status: PUBLISHED

Assigner: Mend

Published: 2021-11-07T17:15:10.000Z

Updated: 2025-04-30T15:52:43.284Z

Reserved: 2021-01-22T00:00:00.000Z

Link: CVE-2021-25978

Vulnrichment

Updated: 2024-08-03T20:19:19.357Z

NVD

Status : Modified

Published: 2021-11-07T18:15:07.620

Modified: 2024-11-21T05:55:43.207

Link: CVE-2021-25978

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79

{"containers": {"cna": {"affected": [{"product": "Apostrophe ", "vendor": "Apostrophe ", "versions": [{"lessThanOrEqual": "3.3.1", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "unspecified", "status": "affected", "version": "2.63.0", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Daniel Elkabes"}], "descriptions": [{"lang": "en", "value": "Apostrophe CMS versions between 2.63.0 to 3.3.1 are vulnerable to Stored XSS where an editor uploads an SVG file that contains malicious JavaScript onto the Images module, which triggers XSS once viewed."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Cross-site Scripting (XSS)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-11-07T17:15:10.000Z", "orgId": "478c68dd-22c1-4a41-97cd-654224dfacff", "shortName": "Mend"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/apostrophecms/apostrophe/commit/c8b94ee9c79468f1ce28e31966cb0e0839165e59"}], "solutions": [{"lang": "en", "value": "Upgrade to version 3.4.0"}], "source": {"advisory": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25978", "discovery": "EXTERNAL"}, "title": "Apostrophe - XSS", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vulnerabilitylab@whitesourcesoftware.com", "ID": "CVE-2021-25978", "STATE": "PUBLIC", "TITLE": "Apostrophe - XSS"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Apostrophe ", "version": {"version_data": [{"version_affected": "<=", "version_value": "3.3.1"}, {"version_affected": ">=", "version_value": "2.63.0"}]}}]}, "vendor_name": "Apostrophe "}]}}, "credit": [{"lang": "eng", "value": "Daniel Elkabes"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Apostrophe CMS versions between 2.63.0 to 3.3.1 are vulnerable to Stored XSS where an editor uploads an SVG file that contains malicious JavaScript onto the Images module, which triggers XSS once viewed."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79 Cross-site Scripting (XSS)"}]}]}, "references": {"reference_data": [{"name": "https://github.com/apostrophecms/apostrophe/commit/c8b94ee9c79468f1ce28e31966cb0e0839165e59", "refsource": "MISC", "url": "https://github.com/apostrophecms/apostrophe/commit/c8b94ee9c79468f1ce28e31966cb0e0839165e59"}]}, "solution": [{"lang": "en", "value": "Upgrade to version 3.4.0"}], "source": {"advisory": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25978", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:19:19.357Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/apostrophecms/apostrophe/commit/c8b94ee9c79468f1ce28e31966cb0e0839165e59"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-30T15:48:54.843310Z", "id": "CVE-2021-25978", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-30T15:52:43.284Z"}}]}, "cveMetadata": {"assignerOrgId": "478c68dd-22c1-4a41-97cd-654224dfacff", "assignerShortName": "Mend", "cveId": "CVE-2021-25978", "datePublished": "2021-11-07T17:15:10.000Z", "dateReserved": "2021-01-22T00:00:00.000Z", "dateUpdated": "2025-04-30T15:52:43.284Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/apostrophecms/apostrophe/commit/c8b94ee9c79468f1ce28e31966cb0e0839165e59", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:19:19.357Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-25978", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-30T15:48:54.843310Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-30T15:51:28.736Z"}}], "cna": {"title": "Apostrophe - XSS", "source": {"advisory": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25978", "discovery": "EXTERNAL"}, "credits": [{"lang": "en", "value": "Daniel Elkabes"}], "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "Apostrophe ", "product": "Apostrophe ", "versions": [{"status": "affected", "version": "unspecified", "versionType": "custom", "lessThanOrEqual": "3.3.1"}, {"status": "affected", "version": "2.63.0", "lessThan": "unspecified", "versionType": "custom"}]}], "solutions": [{"lang": "en", "value": "Upgrade to version 3.4.0"}], "references": [{"url": "https://github.com/apostrophecms/apostrophe/commit/c8b94ee9c79468f1ce28e31966cb0e0839165e59", "tags": ["x_refsource_MISC"]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "descriptions": [{"lang": "en", "value": "Apostrophe CMS versions between 2.63.0 to 3.3.1 are vulnerable to Stored XSS where an editor uploads an SVG file that contains malicious JavaScript onto the Images module, which triggers XSS once viewed."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Cross-site Scripting (XSS)"}]}], "providerMetadata": {"orgId": "478c68dd-22c1-4a41-97cd-654224dfacff", "shortName": "Mend", "dateUpdated": "2021-11-07T17:15:10.000Z"}, "x_legacyV4Record": {"credit": [{"lang": "eng", "value": "Daniel Elkabes"}], "impact": {"cvss": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}}, "source": {"advisory": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25978", "discovery": "EXTERNAL"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "3.3.1", "version_affected": "<="}, {"version_value": "2.63.0", "version_affected": ">="}]}, "product_name": "Apostrophe "}]}, "vendor_name": "Apostrophe "}]}}, "solution": [{"lang": "en", "value": "Upgrade to version 3.4.0"}], "data_type": "CVE", "generator": {"engine": "Vulnogram 0.0.9"}, "references": {"reference_data": [{"url": "https://github.com/apostrophecms/apostrophe/commit/c8b94ee9c79468f1ce28e31966cb0e0839165e59", "name": "https://github.com/apostrophecms/apostrophe/commit/c8b94ee9c79468f1ce28e31966cb0e0839165e59", "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "Apostrophe CMS versions between 2.63.0 to 3.3.1 are vulnerable to Stored XSS where an editor uploads an SVG file that contains malicious JavaScript onto the Images module, which triggers XSS once viewed."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79 Cross-site Scripting (XSS)"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-25978", "STATE": "PUBLIC", "TITLE": "Apostrophe - XSS", "ASSIGNER": "vulnerabilitylab@whitesourcesoftware.com"}}}}, "cveMetadata": {"cveId": "CVE-2021-25978", "state": "PUBLISHED", "dateUpdated": "2025-04-30T15:52:43.284Z", "dateReserved": "2021-01-22T00:00:00.000Z", "assignerOrgId": "478c68dd-22c1-4a41-97cd-654224dfacff", "datePublished": "2021-11-07T17:15:10.000Z", "assignerShortName": "Mend"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apostrophecms:apostrophecms:*:*:*:*:*:*:*:*", "matchCriteriaId": "CCE7D4A0-5A5B-4617-BFEC-2BD0ACE0312D", "versionEndIncluding": "3.3.1", "versionStartIncluding": "2.63.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Apostrophe CMS versions between 2.63.0 to 3.3.1 are vulnerable to Stored XSS where an editor uploads an SVG file that contains malicious JavaScript onto the Images module, which triggers XSS once viewed."}, {"lang": "es", "value": "Apostrophe CMS versiones entre la 2.63.0 y la 3.3.1, son vulnerables a un ataque de tipo XSS almacenado, en el que un editor carga un archivo SVG que contiene JavaScript malicioso en el m\u00f3dulo de im\u00e1genes, lo que desencadena un ataque de tipo XSS una vez visualizado"}], "id": "CVE-2021-25978", "lastModified": "2024-11-21T05:55:43.207", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "vulnerabilitylab@mend.io", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-07T18:15:07.620", "references": [{"source": "vulnerabilitylab@mend.io", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/apostrophecms/apostrophe/commit/c8b94ee9c79468f1ce28e31966cb0e0839165e59"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/apostrophecms/apostrophe/commit/c8b94ee9c79468f1ce28e31966cb0e0839165e59"}], "sourceIdentifier": "vulnerabilitylab@mend.io", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "vulnerabilitylab@mend.io", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}