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Fencer Vulns
medium 6.1

CVE-2020-35437 json

Subrion CMS 4.2.1 is affected by: Cross Site Scripting (XSS) through the avatar[path] parameter in a POST request to the /_core/profile/ UR…

published 2020-12-26 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-23111

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
1
Exploit-DB

Summary

Subrion CMS 4.2.1 is affected by: Cross Site Scripting (XSS) through the avatar[path] parameter in a POST request to the /_core/profile/ URI.

Timeline

  1. Published
  2. First public exploit (EDB-49346)

Exploit prediction

3.07% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-49346 Subrion CMS 4.2.1 - 'avatar[path]' XSS webapps, 2021-01-04
  • github.com https://github.com/intelliants/subrion/issues/880 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/160783/Subrion-CMS-4.2.1-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

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.