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Fencer Intel
medium 6.1

CVE-2025-61183 json

VaahCMS is vulnerable to XSS through its Avatar Upload endpoint

published last yr. modified 4d ago also GHSA-q769-phqg-263r , EUVD-2025-33172

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits
0
none known

Summary

Cross Site Scripting in vaahcms v.2.3.1 allows a remote attacker to execute arbitrary code via upload method in the storeAvatar() method of UserBase.php

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/webreinvent/vaahcms/issues/301 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/thawphone/CVE-2025-61183 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
GitHub 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist webreinvent/vaahcms
<=2.3.1
 no fix listed

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.