HTTP: WordPress KingComposer plugin Cross-Site Scripting
This signature detects attempts to exploit a known cross-site scripting vulnerability against WordPress KingComposer plugin. It is due to insufficient validation of user-supplied input. Attackers can steal cookie-based authentication credentials and launch other attacks.
Extended Description
A reflected Cross-Site Scripting (XSS) Vulnerability in the KingComposer plugin through 2.9.4 for WordPress allows remote attackers to trick a victim into submitting an install_online_preset AJAX request containing base64-encoded JavaScript (in the kc-online-preset-data POST parameter) that is executed in the victim's browser.
Affected Products
King-theme kingcomposer
References
CVE: CVE-2020-15299
Short Name
HTTP:XSS:WRDPRS-KINGCOMPOSER
Severity
Major
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
CVE-2020-15299 Cross-Site KingComposer Scripting WordPress plugin
Release Date
10/12/2021
Supported Platforms
mx-19.3
vmx-19.3
vsrx-19.2
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vmx-19.4
mx-19.4
srxevo-25.4
vsrx-26.2
srx-26.2
srx-branch-26.2
vsrx3bsd-26.2
mx-12.3
srx-12.3
srx-branch-12.3
vsrx-12.3
Sigpack Version
3427
False Positive
Unknown
Vendors
King-theme
CVSS Score
4.3