PT-2018-4103 · Ellislab · Codeigniter

Neal Poole · Published 2018-02-21 · Updated 2018-03-09 · CVE-2013-4891

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions CodeIgniter versions prior to 2.1.4

Description The issue allows remote attackers to bypass an intended protection mechanism and conduct cross-site scripting (XSS) attacks via an unclosed HTML tag. This occurs due to a flaw in the xss clean function.

Recommendations For versions prior to 2.1.4, update to version 2.1.4 or later to resolve the issue.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2013-4891

Affected Products

Codeigniter

References · 5

• 🔥 https://nealpoole.com/blog/2013/07/codeigniter-21-xss-clean-filter-bypass · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2013-4891 · Security Note
• https://github.com/bcit-ci/CodeIgniter/issues/4020 · Note
• https://codeigniter.com/userguide2/changelog.html · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4891 · Note