CVE-2026-4259 Ultimate WooCommerce Auction Pro <= 2.4.5 - Reflected XSS via uwa_manage_auctions
Reflected XSS in Ultimate WooCommerce Auction Pro allows attackers to execute scripts against admin users, potentially leading to account takeover.
- 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-2026-4259?
CVE-2026-4259 is a high-severity cross-site scripting vulnerability in Unknown ultimate-woocommerce-auction-pro, published on 22 Jun 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 ultimate-woocommerce-auction-pro WordPress plugin through 2.4.5 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin
Weakness: CWE-79
Which versions are affected by CVE-2026-4259?
How do I fix CVE-2026-4259?
No fix has been published for CVE-2026-4259 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-2026-4259 being exploited?
There is no known exploitation of CVE-2026-4259 in the wild and no public exploit code.
Sources
Also known as GHSA-g944-p6hc-2mch.