CVE-2026-28141 WordPress NextGEN Gallery plugin <= 4.2.3 - Cross Site Scripting (XSS) vulnerability
Unauthenticated attackers can inject malicious scripts into the NextGEN Gallery 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
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-28141?
CVE-2026-28141 is a high-severity cross-site scripting vulnerability in Syed Balkhi NextGEN Gallery, published on 6 Aug 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
Unauthenticated Cross Site Scripting (XSS) in NextGEN Gallery <= 4.2.3 versions.
Weakness: CWE-79
Which versions are affected by CVE-2026-28141?
How do I fix CVE-2026-28141?
No fix has been published for CVE-2026-28141 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-2026-28141 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-28141 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-9v8v-v93j-cwvg.