XSS in Themeisle Multiple Pages Generator By
CVE-2026-119054
Multiple Pages Generator by Themeisle before 4.2.5 contains a stored cross-site scripting vulnerability that allows Contributor-level users to inject script via the [mpg] and [mpg_match] shortcode base-url attribute. Attackers can store entity-encoded payloads that pass kses but are decoded by html_entity_decode() and rendered unescaped through {{mpg_url}}, executing script in administrators' browsers.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/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
Weakness classification (CWE)
References
- plugins.trac.wordpress.org/changeset/3742674/multiple-pages-generator-by-porthas (patch)
- plugins.svn.wordpress.org/multiple-pages-generator-by-porthas/tags/4.2.4/contro… (technical-description)
- plugins.svn.wordpress.org/multiple-pages-generator-by-porthas/tags/4.2.4/contro… (technical-description)
- plugins.svn.wordpress.org/multiple-pages-generator-by-porthas/tags/4.2.4/models… (technical-description)
- wordpress.org/plugins/multiple-pages-generator-by-porthas/ (product)
- www.vulncheck.com/advisories/multiple-pages-generator-by-themeisle-before-4.2.5… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-119054?
- CVE-2026-119054 is a medium-severity vulnerability in Themeisle Multiple Pages Generator By, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-10-29.
- How severe is CVE-2026-119054?
- Medium severity. CVSS v3 base score is 5.4 out of 10.