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Fencer Vulns
medium 5.4

CVE-2025-65621 json

Snipe-IT is vulnerable to stored cross-site scripting

published 2025-12-01 11 mo ago modified 2026-11-04 4 d ago also GHSA-fww5-m9wc-jcjc , EUVD-2025-200080

cvss
5.4
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 8%
public exploits
0
none known

Summary

Snipe-IT before 8.3.4 allows stored XSS, allowing a low-privileged authenticated user to inject JavaScript that executes in an administrator's session, enabling privilege escalation.

Patch / fix

  • packagist snipe/snipe-it 8.3.4
  • snipeitapp snipe-it 8.3.4

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
11 mo ago

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/firef0x00/vulnerability-research/tree/main/CVE-2025-65621 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist snipe/snipe-it
<8.3.4
8.3.4

Classification

Weakness
  • CWE-269 Improper Privilege Management
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.