What is CVE-2012-6633?

CVE-2012-6633 is a vulnerability in WordPress, classified under Cross-site Scripting. Published 2014-01-21.

Is CVE-2012-6633 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in WordPress

CVE-2012-6633

Cross-site scripting (XSS) vulnerability in wp-includes/default-filters.php in WordPress before 3.3.3 allows remote attackers to inject arbitrary web script or HTML via an editable slug field.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2014-01-21 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.017 (76.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

WordPress — versions 3.0, 3.0.1, 3.0.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

core.trac.wordpress.org/changeset/21083 (Vendor Advisory)
codex.wordpress.org/Version_3.3.3

Frequently asked questions

What is CVE-2012-6633?: CVE-2012-6633 is a vulnerability in WordPress, classified under Cross-site Scripting. Published 2014-01-21.
Is CVE-2012-6633 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.