CVE-2026-42733 WordPress WPCS plugin <= 1.3.1 - Cross Site Scripting (XSS) vulnerability
An attacker can execute arbitrary scripts in the victim's browser via DOM-based XSS in the WPCS currency-switcher plugin.
- 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-2026-42733?
CVE-2026-42733 is a high-severity cross-site scripting vulnerability in RealMag777 WPCS, published on 27 May 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 RealMag777 WPCS currency-switcher allows DOM-Based XSS.This issue affects WPCS: from n/a through <= 1.3.1.
Weakness: CWE-79
Which versions are affected by CVE-2026-42733?
How do I fix CVE-2026-42733?
No fix has been published for CVE-2026-42733 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-2026-42733 being exploited?
There is no known exploitation of CVE-2026-42733 in the wild and no public exploit code.
Sources
Also known as GHSA-5fwp-297j-vmx7.