CVE-2020-36709
Page Builder: KingComposer < 2.9.4 - Stored Cross-Site Scripting
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
The Page Builder: KingComposer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via via shortcode in versions before 2.9.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
| CWE | CWE-79 |
| Vendor | kingthemes |
| Product | page builder: kingcomposer – free drag and drop page builder by king-theme |
| Published | Jun 7, 2023 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
kingthemes / Page Builder: KingComposer – Free Drag and Drop page builder by King-Theme
0 < 2.9.4
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/6447de64-b484-4f64-ad78-7df81b5a0ed7?source=cve blog.nintechnet.com: https://blog.nintechnet.com/wordpress-kingcomposer-page-builder-fixed-multiple-critical-vulnerabilities/ wpsocket.com: https://wpsocket.com/plugin/kingcomposer/changelog/
Credits
Jerome Bruandet