CVE-2026-17005 Horizontal Scrolling Announcements <= 2.6 - Contributor+ Stored XSS via Style Field

Medium 6.8 Published Updated

Contributors can inject malicious scripts via announcement settings, leading to stored XSS attacks against site visitors.

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

What is CVE-2026-17005?

CVE-2026-17005 is a medium-severity cross-site scripting vulnerability in Unknown Horizontal scrolling announcements, published on 4 Oct 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The Horizontal scrolling announcements WordPress plugin through 2.6 does not sanitise and escape one of its announcement settings before outputting it into an attribute context on the front end, allowing users granted access to the announcement management page (Contributor and above, once permitted) to perform Stored Cross-Site Scripting attacks that execute in the browser of anyone viewing the announcement.

Weakness: CWE-79

Which versions are affected by CVE-2026-17005?

How do I fix CVE-2026-17005?

No fix has been published for CVE-2026-17005 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-2026-17005 being exploited?

There is no known exploitation of CVE-2026-17005 in the wild and no public exploit code.

Sources

Also known as GHSA-6g7j-p76q-h89g.

Is CVE-2026-17005 in your software?

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