{"id":"CVE-2026-44667","state":"PUBLISHED","title":"Faction: Stored XSS in Remediation Verification Attachment Filename Preview Rendering","description":"FACTION is a PenTesting Report Generation and Collaboration Framework. Prior to 1.8.3, Faction is vulnerable to stored cross-site scripting (XSS) via attachment filenames in remediation verification file preview flows. User-supplied filename values are persisted and then rendered into HTML and attribute contexts without output encoding, allowing attacker-controlled JavaScript to execute in the browser of any user who opens the affected verification/remediation views. Because the payload is stored server-side and rendered to other users, exploitation is persistent and can impact privileged accounts. This vulnerability is fixed in 1.8.3.","publishedAt":"2026-05-26T17:42:39.244Z","updatedAt":"2026-05-27T16:07:42.965Z","severity":{"score":8.7,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["factionsecurity faction"],"affected":[{"vendor":"factionsecurity","product":"faction","versions":[{"version":"< 1.8.3","status":"affected"}]}],"references":["https://github.com/factionsecurity/faction/security/advisories/GHSA-x3fm-rrxj-rg66","https://github.com/factionsecurity/faction/releases/tag/1.8.3"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/44xxx/CVE-2026-44667.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44667","state":"PUBLISHED","datePublished":"2026-05-26T17:42:39.244Z","dateUpdated":"2026-05-27T16:07:42.965Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-07T16:20:08.659Z"},"containers":{"cna":{"title":"Faction: Stored XSS in Remediation Verification Attachment Filename Preview Rendering","descriptions":[{"lang":"en","value":"FACTION is a PenTesting Report Generation and Collaboration Framework. Prior to 1.8.3, Faction is vulnerable to stored cross-site scripting (XSS) via attachment filenames in remediation verification file preview flows. User-supplied filename values are persisted and then rendered into HTML and attribute contexts without output encoding, allowing attacker-controlled JavaScript to execute in the browser of any user who opens the affected verification/remediation views. Because the payload is stored server-side and rendered to other users, exploitation is persistent and can impact privileged accounts. This vulnerability is fixed in 1.8.3."}],"affected":[{"vendor":"factionsecurity","product":"faction","versions":[{"version":"< 1.8.3","status":"affected"}]}],"references":[{"url":"https://github.com/factionsecurity/faction/security/advisories/GHSA-x3fm-rrxj-rg66","name":"https://github.com/factionsecurity/faction/security/advisories/GHSA-x3fm-rrxj-rg66","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/factionsecurity/faction/releases/tag/1.8.3","name":"https://github.com/factionsecurity/faction/releases/tag/1.8.3","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-26T17:42:39.244Z"},"source":{"advisory":"GHSA-x3fm-rrxj-rg66","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/factionsecurity/faction/security/advisories/GHSA-x3fm-rrxj-rg66","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-27T16:07:30.342793Z","id":"CVE-2026-44667","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-27T16:07:42.965Z"}}]}}}