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CVE-2026-81737

8.8
High
EPSS 0.25%Patch availableSep 2, 2026

Stored XSS in FAQ Builder AYS plugin allows script execution in admin context

common questions

Is CVE-2026-81737 being exploited?

Not confirmed. CVE-2026-81737 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.25% probability of exploitation in the next 30 days.

How severe is CVE-2026-81737?

CVE-2026-81737 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-81737?

Yes. A fix has been recorded for CVE-2026-81737. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-81737 affect?

CVE-2026-81737 affects FAQ Builder AYS WordPress plugin < 1.8.5, Self-hosted WordPress sites using the plugin, WordPress admin users. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-81737?

Update FAQ Builder AYS to >=1.8.5 and audit admin pages for malicious submissions

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
FAQ Builder AYS WordPress plugin < 1.8.5Self-hosted WordPress sites using the pluginWordPress admin users
impact

Stored XSS lets unauthenticated attackers run JavaScript in admin sessions, enabling session theft, admin compromise, and site takeover.

action required

Immediate action required

affected versions
Unknown FAQ Builder AYS
  • affected>= 1.6.3 and < 1.8.5

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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