CVE-2021-25977 - CVE House

Status published Medium CVE-2021-25977

Piranha CMS - Stored XSS in Page Title

5.4 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from PiranhaCMS

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CVE-2021-25976

Piranha CMS - Site-wide Cross-Site Request Forgery (CSRF)

High 8.1

Affected Vendor

PiranhaCMS

View all reports →

Affected Software

Piranha

Vulnerable Versions:

7.0.0, unspecified

Timeline

Official Publish: October 25th, 2021

Last Modified: April 30th, 2025

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

CWE-79

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

Initial Access

T1059.007 JavaScript

Execution

T1539 Steal Web Session Cookie

Collection

T1213 Data from Information Repositories