CVE-2026-0737 Shortcodes Ultimate <= 7.4.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'su_lightbox' Shortcode
Authenticated contributors can inject arbitrary scripts via the su_lightbox shortcode, leading to stored XSS execution for other users.
- 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-2026-0737?
CVE-2026-0737 is a medium-severity cross-site scripting vulnerability in gn_themes WP Shortcodes Plugin — Shortcodes Ultimate, published on 4 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The WP Shortcodes Plugin - Shortcodes Ultimate plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 7.4.7. This is due to insufficient input sanitization and output escaping in the 'src' attribute of the su_lightbox shortcode. This makes it possible for authenticated attackers, with contributor 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-2026-0737?
How do I fix CVE-2026-0737?
No fix has been published for CVE-2026-0737 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-2026-0737 being exploited?
There is no known exploitation of CVE-2026-0737 in the wild and no public exploit code.
Sources
Also known as GHSA-5cm4-3q8m-3rc4.