CVE-2018-25384 Wikidforum 2.20 Cross-Site Scripting via reply_text Parameter

Medium 5.1 Published Updated

Authenticated attackers can inject malicious scripts via the reply_text parameter, leading to code execution in other users' browsers.

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-2018-25384?

CVE-2018-25384 is a medium-severity cross-site scripting vulnerability in Wikidforum, published on 29 May 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Wikidforum 2.20 contains a cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by submitting crafted HTML in the reply_text parameter. Attackers can post comments containing JavaScript code through the rpc.php endpoint that executes in other users' browsers when viewing forum replies.

Weakness: CWE-79

Which versions are affected by CVE-2018-25384?

How do I fix CVE-2018-25384?

No fix has been published for CVE-2018-25384 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-2018-25384 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25384 exists.

Sources

Also known as GHSA-mrc3-wvpc-wr7p.

Is CVE-2018-25384 in your software?

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