CVE-2023-53909 WBCE CMS 1.6.1 SVG File Content Cross-Site Scripting

Medium 5.1 Published Updated

Authenticated attackers can inject malicious JavaScript via crafted SVG uploads in WBCE CMS, leading to script execution when victims view the files.

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-2023-53909?

CVE-2023-53909 is a medium-severity cross-site scripting vulnerability in wbce-cms WBCE CMS, published on 17 Dec 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

WBCE CMS 1.6.1 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious JavaScript by uploading crafted SVG files through the media manager. Attackers can upload SVG files containing script tags to the /wbce/modules/elfinder/ef/php/connector.wbce.php endpoint and execute JavaScript when victims access the uploaded file.

Weakness: CWE-79

Which versions are affected by CVE-2023-53909?

It affects 1 product.

Products include Wbce Wbce Cms.

How do I fix CVE-2023-53909?

No fix has been published for CVE-2023-53909 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-2023-53909 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53909 exists.

Sources

Also known as GHSA-j68f-qx6g-877w.

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