{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-73084", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-10T19:37:41.445Z", "datePublished": "2026-08-11T16:35:06.492Z", "dateUpdated": "2026-08-11T16:35:06.492Z"}, "containers": {"cna": {"title": "Activepieces: Reflected Cross-Site Scripting in OAuth Redirect Endpoint", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-94", "lang": "en", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"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"}}], "references": [{"name": "https://github.com/activepieces/activepieces/security/advisories/GHSA-hc39-cm5m-q8g7", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/activepieces/activepieces/security/advisories/GHSA-hc39-cm5m-q8g7"}, {"name": "https://github.com/activepieces/activepieces/commit/8be4c8d5e6a79ccbaa74815027432a3c8c311385", "tags": ["x_refsource_MISC"], "url": "https://github.com/activepieces/activepieces/commit/8be4c8d5e6a79ccbaa74815027432a3c8c311385"}, {"name": "https://github.com/activepieces/activepieces/releases/tag/0.83.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/activepieces/activepieces/releases/tag/0.83.0"}], "affected": [{"vendor": "activepieces", "product": "activepieces", "versions": [{"version": "< 0.83.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-11T16:35:06.492Z"}, "descriptions": [{"lang": "en", "value": "Activepieces is an open source AI workflow automation platform. Prior to 0.83.0, the /api/redirect OAuth callback endpoint embeds the user-supplied code query parameter directly into an inline script block without proper escaping. A crafted request to /api/redirect with a malicious code value can break out of the script context and execute arbitrary JavaScript in the Activepieces origin when a logged-in user opens it. An unauthenticated attacker can access the victim's session tokens or make authenticated API calls on the victim's behalf. This issue is fixed in version 0.83.0."}], "source": {"advisory": "GHSA-hc39-cm5m-q8g7", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "activepieces", "vendor": "activepieces", "versions": [{"status": "affected", "version": "< 0.83.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Activepieces is an open source AI workflow automation platform. Prior to 0.83.0, the /api/redirect OAuth callback endpoint embeds the user-supplied code query parameter directly into an inline script block without proper escaping. A crafted request to /api/redirect with a malicious code value can break out of the script context and execute arbitrary JavaScript in the Activepieces origin when a logged-in user opens it. An unauthenticated attacker can access the victim's session tokens or make authenticated API calls on the victim's behalf. This issue is fixed in version 0.83.0."}], "id": "CVE-2026-73084", "lastModified": "2026-08-11T17:19:16.420", "metrics": {"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": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-11T17:19:16.420", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/activepieces/activepieces/commit/8be4c8d5e6a79ccbaa74815027432a3c8c311385"}, {"source": "security-advisories@github.com", "url": "https://github.com/activepieces/activepieces/releases/tag/0.83.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/activepieces/activepieces/security/advisories/GHSA-hc39-cm5m-q8g7"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-94"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}