XSS in Live Composer
CVE-2025-15708
The Live Composer WordPress plugin before 2.1.23 does not sanitise and escape some of its custom post type slug settings before using them in front-end links, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in a multisite setup).
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N.
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
- wpscan.com/vulnerability/44369f11-99b5-4745-8e6b-aa705c3f8ce5/ (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2025-15708?
- CVE-2025-15708 is a low-severity vulnerability in Live Composer, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-11-07.
- How severe is CVE-2025-15708?
- Low severity. CVSS v3 base score is 3.5 out of 10.