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Fencer Intel
medium 5.3

CVE-2026-121853 json

AppPresser < 5.0.0 - Unauthenticated Plugin and Theme Version Disclosure

published 2d ago modified yesterday also EUVD-2026-124842

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits
0
none known

Summary

The AppPresser WordPress plugin before 5.0.0 does not restrict access to two of its REST API endpoints, allowing unauthenticated visitors to retrieve the installed versions of AppPresser, its add-ons, several third-party AppPresser WordPress plugin before 5.0.0 and its .

Patch / fix

  • Unknown AppPresser 5.0.0

Is CVE-2026-121853 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
none
Automatable
yes
Technical impact
partial
Assessed
yesterday

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-14).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/674849e9-44ad-496f-baba-6d17d58b5807/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

  • Unknown AppPresser

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
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.