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Fencer Vulns
critical 9.8

CVE-2021-24915 in the critical feed json

Contest Gallery < 13.1.0.6 - Missing Access Controls to Unauthenticated SQL injection / Email Address Disclosure

published 2021-11-29 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11827

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.0%
EPSS 12.0% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known, plus a Nuclei check

Summary

The Contest Gallery WordPress plugin before 13.1.0.6 does not have capability checks and does not sanitise or escape the cg-search-user-name-original parameter before using it in a SQL statement when exporting users from a gallery, which could allow unauthenticated to perform SQL injections attacks, as well as get the list of all users registered on the blog, including their username and email address

Patch / fix

  • contest_gallery contest_gallery 13.1.0.6

Exploit prediction

12.00% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Contest Gallery < 13.1.0.6 - SQL injection nuclei detection template
  • wpscan.com https://wpscan.com/vulnerability/45ee86a7-1497-4c81-98b8-9a8e5b3d4fac referenced PoC, tagged "exploit" by a source, unverified
  • gist.github.com https://gist.github.com/tpmiller87/6c05596fe27dd6f69f1aaba4cbb9c917 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Unknown Contest Gallery – Photo Contest Plugin for WordPress

Classification

Weakness
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command
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.