XSS in Prosolution Wp Client

CVE-2026-19056

The ProSolution WP Client WordPress plugin before 2.0.11 does not sanitise and escape a parameter before reflecting it into an HTML attribute on one of its administrative pages, leading to reflected Cross-Site Scripting that runs in the session of an administrator induced to submit a crafted request.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (15.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-19056: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

  • Prosolution Wp Client

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-19056?
CVE-2026-19056 is a high-severity vulnerability in Prosolution Wp Client, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-08-19.
How severe is CVE-2026-19056?
High severity. CVSS v3 base score is 7.1 out of 10.