CVE-2026-78393 Link Library < 7.9.6 - Reflected XSS via 'link_tags' and 'link_price' Sort and Breadcrumb Links

Medium 6.1 Published Updated

Reflected XSS in Link Library plugin allows attackers to execute scripts against visitors, including administrators, via unescaped parameters.

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-2026-78393?

CVE-2026-78393 is a medium-severity cross-site scripting vulnerability in Unknown Link Library, published on 25 Sep 2026. 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

The Link Library WordPress plugin before 7.9.6 does not properly escape some parameters before outputting them in the addresses of links it generates on its front-end directory pages, leading to Reflected Cross-Site Scripting which could be used against any visitor, including logged-in administrators.

Weakness: CWE-79

Which versions are affected by CVE-2026-78393?

How do I fix CVE-2026-78393?

No fix has been published for CVE-2026-78393 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-2026-78393 being exploited?

There is no known exploitation of CVE-2026-78393 in the wild and no public exploit code.

Sources

Also known as GHSA-gch2-fmrm-hv85.

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