WordPress Contest Gallery plugin <= 24.0.3 - Cross Site Scripting (XSS) vulnerability

published 2025-01-02 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-53035

cvss: 5.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 27%
public exploits: 0; none known

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Wasiliy Strecker / ContestGallery developer Contest Gallery contest-gallery allows Stored XSS.This issue affects Contest Gallery: from n/a through <= 24.0.3.

Patch / fix

fixed in 1

Wasiliy Strecker / ContestGallery developer Contest Gallery 24.0.4

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 22 mo ago (2025-01-02)

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.9	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
NVD	3.1	4.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Affected products

Wasiliy Strecker / ContestGallery developer Contest Gallery

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Plugin/contest-gallery/vulnerability/wordpress-contest-gallery-plugin-24-0-3-cross-site-sc
vdb-entry, third-party-advisory

Sources

CVE List CVE-2024-56237
NVD CVE-2024-56237

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary