SB2025040218 - Multiple vulnerabilities in WPExtended plugin for WordPress
Published: April 2, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Stored cross-site scripting (CVE-ID: CVE-2024-11916)
CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to a missing capability check on several functions. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
2) Missing Authorization (CVE-ID: CVE-2024-11816)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a missing capability check on the "wpext_handle_snippet_update" function. A remote user can execute arbitrary code on the target system.
Remediation
Install update from vendor's website.
References
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3213331%40wpextended&new=3213331%40wpextended&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/747d7649-bdf5-46d0-a496-59cb7eac77ac?source=cve
- https://plugins.trac.wordpress.org/browser/wpextended/trunk/includes/modules/core_extensions/wpext_snippets/wpext_snippets.php#L705
- https://www.wordfence.com/threat-intel/vulnerabilities/id/b3ce53e5-8666-4227-83d3-58f35db0ce68?source=cve