CVE-2025-3414 Structured Content < 1.7.0 - Contributor Stored XSS
Contributors can inject malicious scripts via block options in the Structured Content plugin, leading to stored XSS attacks on site visitors.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-3414?
CVE-2025-3414 is a medium-severity cross-site scripting vulnerability in Unknown Structured Content (JSON-LD) #wpsc, published on 14 Aug 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Structured Content (JSON-LD) #wpsc WordPress plugin before 1.7.0 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
Which versions are affected by CVE-2025-3414?
How do I fix CVE-2025-3414?
No fix has been published for CVE-2025-3414 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-2025-3414 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-3414 exists.
Sources
Also known as GHSA-grfv-f52j-3r3x.