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Fencer Vulns
high 8.8

CVE-2021-24581 json

Blue Admin <= 21.06.01 - CSRF to Stored Cross-Site Scripting (XSS)

published 2021-08-30 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11493

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.1%
EPSS 4.1% chance of exploitation in 30 days, percentile 90%
public exploits
1
Exploit-DB

Summary

The Blue Admin WordPress plugin through 21.06.01 does not sanitise or escape its "Logo Title" setting before outputting in a page, leading to a Stored Cross-Site Scripting issue. Furthermore, the plugin does not have CSRF check in place when saving its settings, allowing the issue to be exploited via a CSRF attack.

Timeline

  1. Published
  2. First public exploit (EDB-50925)

Exploit prediction

4.09% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-50925 WordPress Plugin Blue Admin 21.06.01 - Cross-Site Request Forgery (CSRF) webapps, 2022-05-11
  • wpscan.com https://wpscan.com/vulnerability/75abd073-b45f-4fe6-8501-7a6d0163f78d 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

Affected products

  • Unknown Blue Admin

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

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.