CVE-2021-24581 Blue Admin <= 21.06.01 - CSRF to Stored Cross-Site Scripting (XSS)

High 8.8 Published Updated

Attackers can inject malicious scripts via the Logo Title setting, exploiting missing CSRF checks to execute code in admin sessions.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-24581?

CVE-2021-24581 is a high-severity cross-site scripting vulnerability in Unknown Blue Admin, published on 30 Aug 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-79, CWE-352

Which versions are affected by CVE-2021-24581?

It affects 1 product.

Products include Blue-Admin Project Blue-Admin.

How do I fix CVE-2021-24581?

No fix has been published for CVE-2021-24581 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-24581 being exploited?

There is no known exploitation of CVE-2021-24581 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-mqfw-gg2g-9qc5.

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