CVE-2026-119054 Multiple Pages Generator by Themeisle before 4.2.5 Stored XSS via Shortcode base-url
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-119054?
CVE-2026-119054 is a medium-severity vulnerability in Multiple Pages Generator by Themeisle, published on 29 Oct 2026.
Official description
Multiple Pages Generator by Themeisle before 4.2.5 contains a stored cross-site scripting vulnerability that allows Contributor-level users to inject script via the [mpg] and [mpg_match] shortcode base-url attribute. Attackers can store entity-encoded payloads that pass kses but are decoded by html_entity_decode() and rendered unescaped through {{mpg_url}}, executing script in administrators' browsers.
Weakness: CWE-79
Which versions are affected by CVE-2026-119054?
How do I fix CVE-2026-119054?
No fix has been published for CVE-2026-119054 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-119054 being exploited?
There is no known exploitation of CVE-2026-119054 in the wild and no public exploit code.
Sources
Also known as GHSA-pvqw-5gv9-r38m.