XSS in Live Composer

CVE-2026-119073

The Live Composer WordPress plugin before 2.1.23 does not escape a pagination setting supplied through its post-listing module shortcodes before outputting it in an HTML attribute, allowing users with the Contributor role and above to perform Stored Cross-Site Scripting attacks.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • Live Composer

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-119073?
CVE-2026-119073 is a medium-severity vulnerability in Live Composer, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2026-11-07.
How severe is CVE-2026-119073?
Medium severity. CVSS v3 base score is 6.8 out of 10.