CVE-2021-25977

Piranha CMS - Stored XSS in Page Title

Published Oct 25, 2021 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Update to 9.2.0

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-2218 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.
Github GHSA Github GHSA GHSA-jvjp-vh27-r9h5 Cross-site Scripting in PiranhaCMS
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mend
Published
Updated
Apr 30, 2025, 3:52 PM
Reserved
Jan 22, 2021, 12:00 AM
Status
Modified
Published
Oct 25, 2021, 1:15 PM
Modified
Jun 17, 2026, 3:42 AM