XSS in Mpg

CVE-2026-13726

The MPG WordPress plugin before 4.1.8 does not sanitise and escape a parameter before reflecting it back in the response, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting against a victim who is induced to send…

Vulnerability class: XSS (Cross-Site Scripting)

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.

Affected products

  • Unknown Mpg — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-13726?
CVE-2026-13726 is a high-severity vulnerability in Mpg, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-07-27.
How severe is CVE-2026-13726?
High severity. CVSS v3 base score is 7.1 out of 10.