Is CVE-2011-5106 in the CISA KEV catalog?

No. CVE-2011-5106 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-5106?

CVE-2011-5106 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2011-5106?

CVE-2011-5106 has an EPSS score of 10.90% (95th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2011-5106

MEDIUMEPSS 95th pctl

4.3

CVSS v2

NVD

Description

Cross-site scripting (XSS) vulnerability in edit-post.php in the Flexible Custom Post Type plugin before 0.1.7 for WordPress allows remote attackers to inject arbitrary web script or HTML via the id parameter.

CWE-79Cross-Site Scripting (XSS)

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

10.90%probability of exploitation in 30 days

95thpercentile

Very high risk: more likely to be exploited than 95% of all known CVEs.

References

http://plugins.trac.wordpress.org/changeset?reponame=&new=466252%40flexible-custom-post-type&old=465583%40flexible-custom-post-type
http://wordpress.org/extend/plugins/flexible-custom-post-type/changelog/
http://www.securityfocus.com/archive/1/520542/100/0/threaded
http://www.securityfocus.com/bid/50719
https://exchange.xforce.ibmcloud.com/vulnerabilities/71415

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.