VulnerabilityAnalyzed

CVE-2026-40230

Helpy contains a stored cross-site scripting vulnerability in the knowledge base Doc rendering logic.

MEDIUM 4.8EPSS 0.18%

Does this matter?

Lower severity and a low EPSS score (0.18%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 4.0: 4.8 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.18% probability · 8th percentile
CISA KEV: Not listed
Weakness: CWE-79
Affected: helpy.io/helpy
Source: help@fluidattacks.com

References

https://fluidattacks.com/es/advisories/prisionerosExploit, Third Party Advisory
https://github.com/helpyio/helpyProduct

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.