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Fencer Intel
critical 9.8

CVE-2022-3921 in the critical feed json

Listingo < 3.2.7 - Unauthenticated Arbitrary File Upload

published 3y ago modified 4mo ago also EUVD-2022-43255

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
21.2%
EPSS 21.2% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

The Listingo WordPress theme before 3.2.7 does not validate files to be uploaded via an AJAX action available to unauthenticated users, which could allow them to upload arbitrary files and lead to RCE

Patch / fix

  • Unknown Listingo 3.2.7

Is CVE-2022-3921 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

21.21% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/e39b59b0-f24f-4de5-a21c-c4de34c3a14f 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 Listingo

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.