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Fencer Vulns
high 8.8

CVE-2020-25453 json

An issue was discovered in BlackCat CMS before 1.4.

published 2020-09-15 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-18139

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.3%
EPSS 6.3% chance of exploitation in 30 days, percentile 93%
public exploits
1
Exploit-DB

Summary

An issue was discovered in BlackCat CMS before 1.4. There is a CSRF vulnerability (bypass csrf_token) that allows remote arbitrary code execution.

Patch / fix

  • blackcat-cms blackcat_cms 1.4

Timeline

  1. Published
  2. First public exploit (EDB-48820)

Exploit prediction

6.28% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-48820 BlackCat CMS 1.3.6 - Cross-Site Request Forgery webapps, 2020-09-21
  • github.com https://github.com/BlackCatDevelopment/BlackCatCMS/issues/389 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/159237/BlackCat-CMS-1.3.6-Cross-Site-Request-Forgery.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery

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.