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CVE-2021-25019 SEO Plugin by Squirrly SEO < 11.1.12 - Reflected Cross-Site Scripting

Medium 6.1 Published Updated

Attackers can inject malicious scripts into admin pages via the type parameter, potentially compromising administrator accounts.

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-2021-25019?

CVE-2021-25019 is a medium-severity cross-site scripting vulnerability in Unknown SEO Plugin by Squirrly SEO, published on 21 Mar 2022. 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 SEO Plugin by Squirrly SEO WordPress plugin before 11.1.12 does not escape the type parameter before outputting it back in an attribute in an admin page, leading to a Reflected Cross-Site Scripting

Weakness: CWE-79

Which versions are affected by CVE-2021-25019?

It affects 1 product.

Products include Squirrly Seo Plugin by Squirrly Seo.

How do I fix CVE-2021-25019?

No fix has been published for CVE-2021-25019 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-2021-25019 being exploited?

There is no known exploitation of CVE-2021-25019 in the wild and no public exploit code.

Sources

Also known as GHSA-7xm8-fw8m-2w46.

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