CVE-2021-40959 Cross-site scripting in n/a

Medium 6.1 Published Updated

Reflected XSS in AIWAF allows attackers to inject scripts into victim sessions via the process status page.

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-2021-40959?

CVE-2021-40959 is a medium-severity cross-site scripting vulnerability in n/a, published on 20 Dec 2024. 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

A reflected cross-site scripting vulnerability in MONITORAPP Application Insight Web Application Firewall (AIWAF) <= 4.1.6 and <=5.0 was identified on the subpage `/process_management/process_status.xhr.php`. This vulnerability allows an attacker to inject malicious scripts that execute in the context of the victim's session.

Weakness: CWE-79

Which versions are affected by CVE-2021-40959?

How do I fix CVE-2021-40959?

No fix has been published for CVE-2021-40959 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-2021-40959 being exploited?

There is no known exploitation of CVE-2021-40959 in the wild and no public exploit code.

Sources

Also known as GHSA-62rj-q587-5xq8.

Is CVE-2021-40959 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free