Vulnerability · Published Apr 29, 2026 · Assigned by Fluid Attacks
CVE-2026-40230Helpy 2.8.0 - Stored XSS in knowledgebase Doc body rendering
Medium 4.8
In plain English
A medium-severity cross-site scripting in helpy from helpyio. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Severity (CVSS 4.0)4.8Medium
Exploit odds (30 days)0.2%top 92.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Helpy contains a stored cross-site scripting vulnerability in the knowledge base Doc rendering logic. An authenticated attacker with admin or agent editor privileges can persist arbitrary HTML or JavaScript in the body field of a knowledge base Doc.This issue affects helpy: 2.8.0.
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
References
- https://fluidattacks.com/es/advisories/prisioneros third-party-advisory
- https://github.com/helpyio/helpy product