CVE-2021-24581: The Blue Admin WordPress plugin through 21.06.01 does not sanitise or escape its "Logo Title" setting before o

Q: How do I fix CVE-2021-24581?

blue-admin: upgrade to newer than 21.06.01. Exact commands for each OS are on this page.

Q: Is CVE-2021-24581 being exploited?

CVE-2021-24581 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-24581 affect?

CVE-2021-24581 affects blue-admin. Severity is high (CVSS 8.8). 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 whe

Q: How urgent is CVE-2021-24581?

Priority 58/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2021-24581 is a high-severity flaw (CVSS 8.8) affecting blue-admin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
EPSS top 9%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	4.1% (top 9%)
CISA exploited list	No
Weakness	CWE-79, CWE-352
Published	2021-08-30
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: blue-admin project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-08-30 15:15 UTCPublished CVE record published
2026-06-17 03:40 UTCUpdated Record last modified

blue-admin project blue-admin UPGRADE

Affected: <= 21.06.01

Fixed in: newer than 21.06.01

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy blue-admin || rpm -q blue-admin || blue-admin --version

2. UPGRADE to newer than 21.06.01 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade blue-admin

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade blue-admin

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: WordPress Plugin Blue Admin 21.06.01 - Cross-Site Request Forgery (CSRF)

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-24581?

blue-admin: upgrade to newer than 21.06.01. Exact commands for each OS are on this page.

Is CVE-2021-24581 being exploited?

CVE-2021-24581 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-24581 affect?

CVE-2021-24581 affects blue-admin. Severity is high (CVSS 8.8). 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 whe

How urgent is CVE-2021-24581?

Priority 58/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference

Software pages

WordPress vulnerabilities

References

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