CVE-2021-25977 MEDIUM

CVE-2021-25977: Piranha CMS - Stored XSS in Page Title

Vendor Piranhacms
Product Piranha
Weakness CWE-79 · XSS
Published October 25, 2021
Last update April 30, 2025

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 25, 2021 CVE published
April 30, 2025 Record updated