CVE-2026-87973 If-So Dynamic Content 1.9.9 - 1.10.1 - Editor+ Stored XSS via Conversion Name
Editors can inject JavaScript via conversion names, leading to code execution in higher-privileged users' sessions when viewing analytics.
- 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-2026-87973?
CVE-2026-87973 is a low-severity cross-site scripting vulnerability in Unknown If-So Dynamic Content, published on 1 Oct 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The If-So Dynamic Content WordPress plugin before 1.10.2 does not sanitize a conversion name before storing it, nor escape it when rendering the analytics page, allowing users with editor-level access to store JavaScript that executes in the session of a higher-privileged user who views that page.
Weakness: CWE-79
Which versions are affected by CVE-2026-87973?
How do I fix CVE-2026-87973?
No fix has been published for CVE-2026-87973 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-2026-87973 being exploited?
There is no known exploitation of CVE-2026-87973 in the wild and no public exploit code.
Sources
Also known as GHSA-627c-fv9j-9cxm.