VULNERABILITY INTELLIGENCE

CVE-2013-4891

CVSS score6.1 MEDIUM

EPSS probability1.43%

CISA KEVNot currently listed

Published2018-02-21

Last modified2026-06-16

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

The xss_clean function in CodeIgniter before 2.1.4 might allow remote attackers to bypass an intended protection mechanism and conduct cross-site scripting (XSS) attacks via an unclosed HTML tag.

Weakness classification

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Primary references

cve@mitre.org — Issue Tracking, Third Party Advisory
cve@mitre.org — Exploit, Third Party Advisory
cve@mitre.org — Release Notes
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes