CVE-2026-13701 Advanced Excerpt < 4.5 - Admin+ Stored XSS via Ellipsis Setting
Administrators can inject malicious scripts via the ellipsis setting, 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-2026-13701?
CVE-2026-13701 is a medium-severity cross-site scripting vulnerability in Unknown Advanced Excerpt, published on 10 Aug 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Advanced Excerpt WordPress plugin before 4.5 does not sanitise and escape one of its settings before outputting it on the front end of the site, which could allow administrators (including those without the unfiltered_html capability, such as on multisite) to perform Stored Cross-Site Scripting attacks that execute in the context of any visitor viewing affected pages.
Weakness: CWE-79
Which versions are affected by CVE-2026-13701?
How do I fix CVE-2026-13701?
No fix has been published for CVE-2026-13701 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-2026-13701 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-13701 exists.
Sources
Also known as GHSA-vgj5-89vw-rww2.