CVE-2026-84773 WordPress EWWW Image Optimizer plugin <= 8.7.6 - Cross Site Scripting (XSS) vulnerability
Unauthenticated attackers can inject malicious scripts via the EWWW Image Optimizer plugin, potentially compromising user sessions or site integrity.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-84773?
CVE-2026-84773 is a high-severity cross-site scripting vulnerability in 作者: Shane Bishop EWWW Image Optimizer, published on 3 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unauthenticated Cross Site Scripting (XSS) in EWWW Image Optimizer <= 8.7.6 versions.
Weakness: CWE-79
Which versions are affected by CVE-2026-84773?
How do I fix CVE-2026-84773?
No fix has been published for CVE-2026-84773 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-2026-84773 being exploited?
There is no known exploitation of CVE-2026-84773 in the wild and no public exploit code.
Sources
Also known as GHSA-w7vh-xxx8-w9pq.