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Fencer Intel
critical 9.8

CVE-2022-4060 in the critical feed json

User Post Gallery <= 2.19 - Unauthenticated RCE

published 3y ago modified 4mo ago also EUVD-2022-51437

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
42.7%
EPSS 42.7% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known, plus a Nuclei check

Summary

The User Post Gallery WordPress plugin through 2.19 does not limit what callback functions can be called by users, making it possible to any visitors to run code on sites running it.

Is CVE-2022-4060 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
last yr.

Exploit prediction

42.72% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template WordPress User Post Gallery <=2.19 - Remote Code Execution nuclei detection template
  • wpscan.com https://wpscan.com/vulnerability/8f982ebd-6fc5-452d-8280-42e027d01b1e referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Unknown User Post Gallery

Classification

Technology feeds

References

Sources

Fencer Intel 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.