CVE-2026-88792 Dictionary <= 1.0 - Unauthenticated Stored XSS via Direct Dictionary Update
Unauthenticated attackers can inject malicious scripts into Dictionary plugin entries, leading to code execution when viewed by users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-88792?
CVE-2026-88792 is a high-severity cross-site scripting vulnerability in Unknown Dictionary, published on 17 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Dictionary WordPress plugin through 1.0 does not have authorisation, sanitisation or escaping in place when adding or updating dictionary entries, allowing unauthenticated users to store arbitrary web scripts which will execute when a user views an affected entry.
Weakness: CWE-79
Which versions are affected by CVE-2026-88792?
How do I fix CVE-2026-88792?
No fix has been published for CVE-2026-88792 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-2026-88792 being exploited?
There is no known exploitation of CVE-2026-88792 in the wild and no public exploit code.
Sources
Also known as GHSA-4jcw-8rjx-mwgc.