CVE-2026-19055 ProSolution WP Client < 2.0.11 - Reflected XSS via Multiple Parameters
Reflected XSS in ProSolution WP Client allows attackers to execute scripts against visitors, including admins, via unsanitized parameters.
- 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-2026-19055?
CVE-2026-19055 is a high-severity cross-site scripting vulnerability in Unknown ProSolution WP Client, published on 19 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
The ProSolution WP Client WordPress plugin before 2.0.11 does not sanitise and escape several parameters before reflecting them into HTML attributes on its public pages, leading to reflected Cross-Site Scripting that can be triggered against any visitor, including a logged-in administrator.
Weakness: CWE-79
Which versions are affected by CVE-2026-19055?
How do I fix CVE-2026-19055?
No fix has been published for CVE-2026-19055 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-2026-19055 being exploited?
There is no known exploitation of CVE-2026-19055 in the wild and no public exploit code.
Sources
Also known as GHSA-6fvr-wx74-rj2c.