CVE-2026-81737: unknown faq builder ays Cross-site Scripting
Vulnerability summary
CVE-2026-81737 is a high (CVSS 8.8) Cross-site Scripting vulnerability in unknown faq builder ays. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 37.7% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 1.8.5.
Timeline
- 02-09-2026PublishedVulnerability first disclosed.
- 02-09-2026Last modifiedVulnerability information updated.
Description
The FAQ Builder AYS WordPress plugin before 1.8.5 does not sanitize or escape content submitted by unauthenticated visitors before storing it and outputting it in an admin area page, and the escaping it does apply is undone by a subsequent decoding step, leading to Stored XSS which will execute in the context of a logged in administrator.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- wordfenceSource7.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.45%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
+0.20 pp
From 0.25% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- faq builder ays≥ 1.6.3, < 1.8.5
Wordpress1 product
- faq-builder-ays≥ 1.6.3, ≤ 1.8.4 (fixed in 1.8.5)
2 vendors · 2 products