CVE-2021-34817 - Vulnerability Details - OpenCVE

Description

A Cross-Site Scripting (XSS) issue in the chat component of Etherpad 1.8.13 allows remote attackers to inject arbitrary JavaScript or HTML by importing a crafted pad.

Published: 2021-07-19

Score: 6.1 Medium

EPSS: 1.2% 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

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:etherpad:etherpad:1.8.13:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-21464	A Cross-Site Scripting (XSS) issue in the chat component of Etherpad 1.8.13 allows remote attackers to inject arbitrary JavaScript or HTML by importing a crafted pad.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

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 None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.01156.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities
https://etherpad.org/#download
https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfa
https://github.com/ether/etherpad-lite/releases/tag/1.8.14

History

No history.

Subscriptions

Etherpad Etherpad

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-07-19T13:38:11.000Z

Updated: 2024-08-04T00:26:53.996Z

Reserved: 2021-06-17T00:00:00.000Z

Link: CVE-2021-34817

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-07-19T14:15:08.150

Modified: 2024-11-21T06:11:15.953

Link: CVE-2021-34817

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "A Cross-Site Scripting (XSS) issue in the chat component of Etherpad 1.8.13 allows remote attackers to inject arbitrary JavaScript or HTML by importing a crafted pad."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-07-19T13:38:11.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://etherpad.org/#download"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/ether/etherpad-lite/releases/tag/1.8.14"}, {"tags": ["x_refsource_MISC"], "url": "https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfa"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-34817", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A Cross-Site Scripting (XSS) issue in the chat component of Etherpad 1.8.13 allows remote attackers to inject arbitrary JavaScript or HTML by importing a crafted pad."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://etherpad.org/#download", "refsource": "MISC", "url": "https://etherpad.org/#download"}, {"name": "https://github.com/ether/etherpad-lite/releases/tag/1.8.14", "refsource": "MISC", "url": "https://github.com/ether/etherpad-lite/releases/tag/1.8.14"}, {"name": "https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities", "refsource": "MISC", "url": "https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities"}, {"name": "https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfa", "refsource": "MISC", "url": "https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfa"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:26:53.996Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://etherpad.org/#download"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/ether/etherpad-lite/releases/tag/1.8.14"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfa"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-34817", "datePublished": "2021-07-19T13:38:11.000Z", "dateReserved": "2021-06-17T00:00:00.000Z", "dateUpdated": "2024-08-04T00:26:53.996Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:etherpad:etherpad:1.8.13:*:*:*:*:*:*:*", "matchCriteriaId": "A5B28B8D-9C9D-41A7-834C-2DEBE3862A6D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A Cross-Site Scripting (XSS) issue in the chat component of Etherpad 1.8.13 allows remote attackers to inject arbitrary JavaScript or HTML by importing a crafted pad."}, {"lang": "es", "value": "Un problema de tipo Cross-Site Scripting (XSS) en el componente chat de Etherpad versi\u00f3n 1.8.13, permite a atacantes remotos inyectar JavaScript o HTML arbitrario al importar un pad dise\u00f1ado"}], "id": "CVE-2021-34817", "lastModified": "2024-11-21T06:11:15.953", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "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": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-07-19T14:15:08.150", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://etherpad.org/#download"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfa"}, {"source": "cve@mitre.org", "tags": ["Patch", "Release Notes", "Third Party Advisory"], "url": "https://github.com/ether/etherpad-lite/releases/tag/1.8.14"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://etherpad.org/#download"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfa"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Release Notes", "Third Party Advisory"], "url": "https://github.com/ether/etherpad-lite/releases/tag/1.8.14"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}