Piwigo version 12.2.0 is vulnerable to stored cross-site scripting (XSS), which can lead to privilege escalation. In this way, admin can steal webmaster's cookies to get the webmaster's access.
https://github.com/Piwigo/Piwigo/issues/1605
Source: Mitre, NVD
Published: 2022-02-24
Updated: 2026-06-17
Base Score: 3.5
Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N
Severity: Low
Base Score: 5.4
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
EPSS: 0.00263