CVE-2024-4000
WordPress Header Builder Plugin – Pearl <= 1.3.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
The WordPress Header Builder Plugin – Pearl plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'stm_hb' shortcode in all versions up to, and including, 1.3.6 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
| CWE | CWE-79 |
| Vendor | stylemix |
| Product | pearl – header builder |
| Published | May 2, 2024 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
stylemix / Pearl – Header Builder
0 ≤ 1.3.6
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/c23bba83-35d2-4098-8104-8389bb2ff880?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3078437%40pearl-header-builder&new=3078437%40pearl-header-builder&sfp_email=&sfph_mail=
Credits
Krzysztof Zając