CVE-2026-5092 Greenshift <= 12.8.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via Data URI
Authenticated attackers with Contributor access can inject arbitrary scripts via Data URIs in the Greenshift WordPress plugin, leading to stored XSS.
- 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-2026-5092?
CVE-2026-5092 is a medium-severity cross-site scripting vulnerability in wpsoul Greenshift – animation and page builder blocks, published on 26 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Greenshift – animation and page builder blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the customapi action handler in versions up to, and including, 12.8.9. This is due to insufficient sanitization of API responses before output via innerHTML. 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 the injected page.
Weakness: CWE-79
Which versions are affected by CVE-2026-5092?
How do I fix CVE-2026-5092?
No fix has been published for CVE-2026-5092 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-2026-5092 being exploited?
There is no known exploitation of CVE-2026-5092 in the wild and no public exploit code.
Sources
Also known as GHSA-8jxx-fm8x-v9qp.