What is CVE-2011-5107?

CVE-2011-5107 is a vulnerability in WordPress Alert Before You Post, classified under Cross-site Scripting. Published 2012-08-23.

Is CVE-2011-5107 known to be exploited?

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

XSS in WordPress Alert Before You Post

CVE-2011-5107

Cross-site scripting (XSS) vulnerability in post_alert.php in Alert Before Your Post plugin, possibly 0.1.1 and earlier, for WordPress allows remote attackers to inject arbitrary web script or HTML via the name parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2012-08-23 · 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: 0.088 (95.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.088 · newest: 0.088 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

www.securityfocus.com/archive/1/520590/100/0/threaded (mailing-list)
www.securityfocus.com/bid/50743 (Exploit, vdb-entry)
exchange.xforce.ibmcloud.com/vulnerabilities/71413 (vdb-entry)

Frequently asked questions

What is CVE-2011-5107?: CVE-2011-5107 is a vulnerability in WordPress Alert Before You Post, classified under Cross-site Scripting. Published 2012-08-23.
Is CVE-2011-5107 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.