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Fencer Vulns
medium 5.4

CVE-2022-34140 json

Feehi CMS Cross-site Scripting

published 2022-07-27 4 y ago modified 2026-06-17 4 mo ago also GHSA-25q6-m425-9fqr , EUVD-2022-6204

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.8%
EPSS 4.8% chance of exploitation in 30 days, percentile 92%
public exploits
2
Exploit-DB

Summary

A stored cross-site scripting (XSS) vulnerability in /index.php?r=site%2Fsignup of Feehi CMS v2.1.1 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the username field.

Timeline

  1. Published
  2. First public exploit (EDB-51002)

Exploit prediction

4.83% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-51018 Feehi CMS 2.1.1 - Remote Code Execution (Authenticated) webapps, 2022-09-23
  • EDB-51002 Feehi CMS 2.1.1 - Stored Cross-Site Scripting (XSS) webapps, 2022-08-09
  • github.com https://github.com/liufee/cms/issues/61 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/168012/Feehi-CMS-2.1.1-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/168476/Feehi-CMS-2.1.1-Remote-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 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 feehi/cms
<=2.1.1
 no fix listed

Classification

Weakness
  • 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.