CVE-2025-27754 Extension - rsjoomla.com - A stored XSS vulnerability RSBlog! component 1.11.6 - 1.14.4 for Joomla

Medium 6.5 Published Updated

Authenticated users can inject malicious JavaScript into RSBlog content, which executes when other users view the affected pages.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-27754?

CVE-2025-27754 is a medium-severity cross-site scripting vulnerability in rsjoomla.com RSBlog component for Joomla, published on 5 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A stored XSS vulnerability in RSBlog! component 1.11.6 - 1.14.4 for Joomla was discovered. The vulnerability allows authenticated users to inject malicious JavaScript into the plugin's resource. The injected payload is stored by the application and later executed when other users view the affected content.

Weakness: CWE-79

Which versions are affected by CVE-2025-27754?

It affects 1 product.

Products include Rsjoomla Rsform\!blog.

How do I fix CVE-2025-27754?

No fix has been published for CVE-2025-27754 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-2025-27754 being exploited?

There is no known exploitation of CVE-2025-27754 in the wild and no public exploit code.

Sources

Also known as GHSA-hp3h-rxwj-jc56.

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