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Fencer Vulns
high 7.5

CVE-2023-3154 json

NextGEN Gallery < 3.39 - Admin+ PHAR Deserialization

published 2023-10-16 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-43838

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known

Summary

The WordPress Gallery Plugin WordPress plugin before 3.39 is vulnerable to PHAR Deserialization due to a lack of input parameter validation in the `gallery_edit` function, allowing an attacker to access arbitrary resources on the server.

Patch / fix

  • Unknown WordPress Gallery Plugin 3.39
  • imagely nextgen_gallery 3.39

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/ed099489-1db4-4b42-9f72-77de39c9e01e 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 WordPress Gallery Plugin
  • imagely nextgen_gallery

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.