CVE-2012-3383

Severity: low (CVSS 2.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-07-22 · updated 2026-06-16
Weakness: CWE-264

Description

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.

Affected products

WordPress: 3.4.0

References

http://codex.wordpress.org/Version_3.4.1
http://codex.wordpress.org/Version_3.4.2
http://core.trac.wordpress.org/changeset?old_path=%2Ftags%2F3.4.1&old=21780&new_path=%2Ftags%2F3.4.2&new=21780#file23
http://core.trac.wordpress.org/changeset?reponame=&new=21153%40branches%2F3.4&old=21076%40trunk#file16
http://openwall.com/lists/oss-security/2012/09/12/17
http://www.openwall.com/lists/oss-security/2012/07/02/1
http://www.openwall.com/lists/oss-security/2012/07/08/1
http://codex.wordpress.org/Version_3.4.1
http://codex.wordpress.org/Version_3.4.2
http://core.trac.wordpress.org/changeset?old_path=%2Ftags%2F3.4.1&old=21780&new_path=%2Ftags%2F3.4.2&new=21780#file23
http://core.trac.wordpress.org/changeset?reponame=&new=21153%40branches%2F3.4&old=21076%40trunk#file16
http://openwall.com/lists/oss-security/2012/09/12/17

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