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CVE-2011-3126

18
FAUCET Score

CVE-2011-3126 describes an information disclosure vulnerability in WordPress versions 3.1 prior to 3.1.3 and 3.2 prior to Beta 2, allowing remote attackers to enumerate usernames of non-authors through canonical redirects. With a CVSS score of 5.0, this low-complexity vulnerability requires no authentication and can lead to the disclosure of sensitive information (usernames). There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.1CPE matchmatch criteria
cpe:2.3:a:wordpress:wordpress:3.1:*:*:*:*:*:*:*
3.1.1CPE matchmatch criteria
cpe:2.3:a:wordpress:wordpress:3.1.1:*:*:*:*:*:*:*
3.1.2CPE matchmatch criteria
cpe:2.3:a:wordpress:wordpress:3.1.2:*:*:*:*:*:*:*
3.2CPE matchmatch criteria
cpe:2.3:a:wordpress:wordpress:3.2:beta1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.21%
Probability of exploitation in next 30 days
EPSS Percentile
80.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0221 is in the 70th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/49138
exchange.xforce.ibmcloud.com / vulnerabilities/69173
wordpress.org / news/2011/05/wordpress-3-1-3
Patch
debian.org / security/2012/dsa-2470
securityfocus.com / bid/47995