CVE-2026-0609 Logo Slider <= 4.9.0 - Authenticated (Author+) Stored Cross-Site Scripting via 'logo-slider' Shortcode
Authenticated attackers with author access can inject arbitrary scripts via image alt text in the Logo Slider plugin, executing them on victim pages.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0609?
CVE-2026-0609 is a medium-severity cross-site scripting vulnerability in logichunt Logo Slider WP – Responsive Logo Carousel, Logo Gallery & Logo Showcase, published on 21 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Logo Slider – Logo Carousel, Logo Showcase & Client Logo Slider Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the image alt text in all versions up to, and including, 4.9.0 due to insufficient input sanitization and output escaping in the 'logo-slider' shortcode. This makes it possible for authenticated attackers, with author level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Weakness: CWE-79
Which versions are affected by CVE-2026-0609?
How do I fix CVE-2026-0609?
No fix has been published for CVE-2026-0609 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-2026-0609 being exploited?
There is no known exploitation of CVE-2026-0609 in the wild and no public exploit code.
Sources
Also known as GHSA-68cq-6242-rqxv.