VULNERABILITY INTELLIGENCE

CVE-2021-25977

CVSS score5.4 MEDIUM

EPSS probability0.65%

CISA KEVNot currently listed

Published2021-10-25

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Description

In PiranhaCMS, versions 7.0.0 to 9.1.1 are vulnerable to stored XSS due to the page title improperly sanitized. By creating a page with a specially crafted page title, a low privileged user can trigger arbitrary JavaScript execution.

Weakness classification

vulnerabilitylab@mend.io: CWE-79
nvd@nist.gov: CWE-79

Primary references

vulnerabilitylab@mend.io — Patch, Third Party Advisory
vulnerabilitylab@mend.io — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory