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Last updated: 5/25/2016 10:45:02 AM

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Vulnerability Summary for CVE-2012-3383

Original release date: 07/22/2012
Last revised: 09/17/2012


The map_meta_cap function in wp-includes/capabilities.php in WordPress 3.4.x before 3.4.2, when the multisite feature is enabled, does not properly assign the unfiltered_html capability, which allows remote authenticated users to bypass intended access restrictions and conduct cross-site scripting (XSS) attacks by leveraging the Administrator or Editor role and composing crafted text.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 2.6 LOW
Impact Subscore: 2.9
Exploitability Subscore: 4.9
CVSS Version 2 Metrics:
Access Vector: Network exploitable - Victim must voluntarily interact with attack mechanism
Access Complexity: High
Authentication: Not required to exploit
Impact Type: Allows unauthorized modification

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External Source: CONFIRM
Name: http://core.trac.wordpress.org/changeset?old_path=%2Ftags%2F3.4.1&old=21780&new_path=%2Ftags%2F3.4.2&new=21780#file23
External Source: MISC
Name: http://core.trac.wordpress.org/changeset?reponame=&new=21153%40branches%2F3.4&old=21076%40trunk#file16
External Source: CONFIRM
Name: http://codex.wordpress.org/Version_3.4.1
External Source: MLIST
Name: [oss-security] 20120707 Re: CVE #'s for WordPress 3.4.1 release
External Source: MLIST
Name: [oss-security] 20120702 CVE #'s for WordPress 3.4.1 release
External Source: MLIST
Name: [oss-security] 20120912 Re: CVEs for wordpress 3.4.2 release
External Source: CONFIRM
Name: http://codex.wordpress.org/Version_3.4.2

Vulnerable software and versions

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Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)