CVE-2021-29009 Cross-site scripting in n/a

Medium 4.8 Published 25 Mar 2021 Updated 3 Aug 2024

Remote attackers can inject JavaScript via the type parameter in archive.php, potentially executing malicious scripts in user browsers.

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

What is CVE-2021-29009?

CVE-2021-29009 is a medium-severity cross-site scripting vulnerability in n/a, published on 25 Mar 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A cross-site scripting (XSS) issue in SEO Panel 4.8.0 allows remote attackers to inject JavaScript via archive.php in the "type" parameter.

Weakness: CWE-79

Which versions are affected by CVE-2021-29009?

1 open source package ship an affected version, including seopanel. It affects 1 product.

Package	Affected	Fixed in
`seopanel` Bitnami	From `4.8.0` to `4.8.0`	None

Products include Seopanel Seo Panel.

How do I fix CVE-2021-29009?

No fix has been published for CVE-2021-29009 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-2021-29009 being exploited?

There is no known exploitation of CVE-2021-29009 in the wild and no public exploit code.

Sources

Also known as BIT-seopanel-2021-29009, GHSA-868m-h5jc-rv3p.