CVE-2023-40877 Cross-site scripting in n/a

Medium 5.4 Published Updated

An XSS vulnerability in DedeCMS allows attackers to inject malicious scripts via the title parameter, potentially leading to session hijacking or code execution.

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

What is CVE-2023-40877?

CVE-2023-40877 is a medium-severity cross-site scripting vulnerability in Dedecms Dedecms, published on 24 Aug 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

DedeCMS up to and including 5.7.110 was discovered to contain a cross-site scripting (XSS) vulnerability at /dede/freelist_edit.php via the title parameter.

Weakness: CWE-79

Which versions are affected by CVE-2023-40877?

It affects 1 product.

Products include Dedecms Dedecms.

How do I fix CVE-2023-40877?

No fix has been published for CVE-2023-40877 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-2023-40877 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-40877 exists.

All Dedecms Dedecms vulnerabilities

Sources

Also known as GHSA-w56w-2hww-29rj.

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