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Fencer Intel
medium 6.1

CVE-2025-63520 json

FeehiCMS is vulnerable to cross-site scripting via the id parameter of the User Update function

published 11mo ago modified 5d ago also GHSA-c2vx-rx6x-m9wj , EUVD-2025-200003

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 17%
public exploits
0
none known

Summary

Cross Site Scripting (XSS) vulnerability in FeehiCMS 2.1.1 via the id parameter of the User Update function (?r=user%2Fupdate).

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CISA SSVC

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

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/liufee/cms/issues/74 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/kiwi865/CVEs/blob/main/CVE-2025-63520.md 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 feehi/feehicms
1 listed version
 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.