CVE-2021-44116 Cross-site Scripting in Anchor CMS

Medium 6.1 Published Updated

Attackers can inject malicious scripts via post content to steal administrator cookies and compromise the Anchor CMS account.

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-2021-44116?

CVE-2021-44116 is a medium-severity cross-site scripting vulnerability in n/a, published on 15 Dec 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

Cross Site Scripting (XSS) vulnerability exits in Anchor CMS <=0.12.7 in posts.php. Attackers can use the posts column to upload the title and content containing malicious code to achieve the purpose of obtaining the administrator cookie, thereby achieving other malicious operations.

Weakness: CWE-79

Which versions are affected by CVE-2021-44116?

2 open source packages ship an affected version, including anchorcms/anchor-cms. It affects 1 product.

PackageAffectedFixed in
anchorcms/anchor-cms PackagistAll versions to 0.12.7None
anchorcms/anchor-cms PackagistAll versions to 0.12.7None

Products include Anchorcms Anchor Cms.

How do I fix CVE-2021-44116?

No fix has been published for CVE-2021-44116 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-2021-44116 being exploited?

There is no known exploitation of CVE-2021-44116 in the wild and no public exploit code.

Sources

Also known as GHSA-7mq6-cp5m-f4j5.

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