What is CVE-2011-3129?

CVE-2011-3129 is a vulnerability in WordPress, classified under CWE-264. Published 2011-08-10.

Is CVE-2011-3129 known to be exploited?

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

Vulnerability in WordPress

CVE-2011-3129

The file upload functionality in WordPress 3.1 before 3.1.3 and 3.2 before Beta 2, when running "on hosts with dangerous security settings," has unknown impact and attack vectors, possibly related to dangerous filenames.

Published 2011-08-10 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.020 (80.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

WordPress — versions 3.1, 3.1.1, 3.1.2

Weakness classification (CWE)

CWE-264

Public proof-of-concept exploits

20142995/nuclei-templates

References

www.securityfocus.com/bid/47995 (vdb-entry)
secunia.com/advisories/49138 (third-party-advisory)
wordpress.org/news/2011/05/wordpress-3-1-3/ (Patch)
www.debian.org/security/2012/dsa-2470 (vendor-advisory)

Frequently asked questions

What is CVE-2011-3129?: CVE-2011-3129 is a vulnerability in WordPress, classified under CWE-264. Published 2011-08-10.
Is CVE-2011-3129 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.