CVE-2019-25314 Duplicate-Post 3.2.3 - Persistent Cross-Site Scripting
Attackers can inject malicious scripts into Duplicate-Post plugin settings to execute arbitrary JavaScript in admin interfaces.
- 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-2019-25314?
CVE-2019-25314 is a medium-severity cross-site scripting vulnerability in Yoast Duplicate-Post, published on 11 Feb 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Yoast Duplicate-Post WordPress Plugin 3.2.3 contains a persistent cross-site scripting vulnerability in plugin settings parameters. Attackers can inject malicious scripts into title prefix, suffix, menu order, and blacklist fields to execute arbitrary JavaScript in admin interfaces.
Which versions are affected by CVE-2019-25314?
How do I fix CVE-2019-25314?
No fix has been published for CVE-2019-25314 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-2019-25314 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25314 exists.
Sources
Also known as GHSA-3q2x-q945-c5mm.