CVE-2022-4156: Contest Gallery < 19.1.5.1 - Unauthenticated SQL Injection

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-12-26 · updated 2026-06-17

Description

The Contest Gallery WordPress plugin before 19.1.5.1, Contest Gallery Pro WordPress plugin before 19.1.5.1 do not escape the user_id POST parameter before concatenating it to an SQL query in ajax-functions-backend.php. This may allow malicious users with at least author privilege to leak sensitive information from the site's database.

Affected products

Contest Gallery Pro: before 19.1.5.1 — fixed in 19.1.5.1

How to fix

Upgrade to a fixed version: Contest Gallery Pro 19.1.5.1. Check the vendor advisory for mitigations.

References

https://bulletin.iese.de/post/contest-gallery_19-1-4-1_1
https://wpscan.com/vulnerability/254f6e8b-5fa9-4d6d-8e0e-1a4cae18aee0
https://bulletin.iese.de/post/contest-gallery_19-1-4-1_1
https://wpscan.com/vulnerability/254f6e8b-5fa9-4d6d-8e0e-1a4cae18aee0

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