CVE-2026-82883 WordPress Login With Ajax plugin <= 4.5.1 - Cross Site Scripting (XSS) vulnerability
Reflected XSS in Login With Ajax plugin allows attackers to inject malicious scripts into web pages viewed by other 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-2026-82883?
CVE-2026-82883 is a high-severity cross-site scripting vulnerability in Marcus Login With Ajax, published on 2 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
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Marcus Login With Ajax allows Reflected XSS.
This issue affects Login With Ajax: from n/a through 4.5.1.
Weakness: CWE-79
Which versions are affected by CVE-2026-82883?
How do I fix CVE-2026-82883?
No fix has been published for CVE-2026-82883 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-2026-82883 being exploited?
There is no known exploitation of CVE-2026-82883 in the wild and no public exploit code.
Sources
Also known as GHSA-j33x-xg7g-7cjm.