CVE-2024-29921: WordPress Photo Gallery by Supsystic plugin <= 1.15.16 - Cross Site Scripting (XSS) vulnerability

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-03-27 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in supsystic Photo Gallery by Supsystic gallery-by-supsystic.This issue affects Photo Gallery by Supsystic: from n/a through <= 1.15.16.

Affected products

supsystic Photo Gallery by Supsystic: before 1.15.17 — fixed in 1.15.17

How to fix

Upgrade to a fixed version: supsystic Photo Gallery by Supsystic 1.15.17. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/Wordpress/Plugin/gallery-by-supsystic/vulnerability/wordpress-photo-gallery-by-supsystic-plugin-1-15-16-cross-site-scripting-xss-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/gallery-by-supsystic/wordpress-photo-gallery-by-supsystic-plugin-1-15-16-cross-site-scripting-xss-vulnerability?_s_id=cve

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