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Fencer Vulns
high 7.5

CVE-2022-4156 json

Contest Gallery < 19.1.5.1 - Unauthenticated SQL Injection

published 2022-12-26 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-51517

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

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.

Patch / fix

  • Unknown Contest Gallery 19.1.5.1
  • Unknown Contest Gallery Pro 19.1.5.1

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

1.00% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/254f6e8b-5fa9-4d6d-8e0e-1a4cae18aee0 referenced PoC, tagged "exploit" by a source, unverified
  • bulletin.iese.de https://bulletin.iese.de/post/contest-gallery_19-1-4-1_1 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • Unknown Contest Gallery
  • Unknown Contest Gallery Pro

Classification

Technology feeds

References

Sources

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.