Vulnerability 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.
CVSS Score
6.1
MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Codeigniter | Codeigniter | < 2.1.4 |
Related Weaknesses (CWE)
References
- https://github.com/bcit-ci/CodeIgniter/issues/4020Issue TrackingThird Party Advisory
- https://nealpoole.com/blog/2013/07/codeigniter-21-xss-clean-filter-bypass/ExploitThird Party Advisory
- https://www.codeigniter.com/userguide2/changelog.htmlRelease Notes
- https://github.com/bcit-ci/CodeIgniter/issues/4020Issue TrackingThird Party Advisory
- https://nealpoole.com/blog/2013/07/codeigniter-21-xss-clean-filter-bypass/ExploitThird Party Advisory
- https://www.codeigniter.com/userguide2/changelog.htmlRelease Notes
FAQ
What is CVE-2013-4891?
CVE-2013-4891 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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.
How severe is CVE-2013-4891?
CVE-2013-4891 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-4891?
Check the references section above for vendor advisories and patch information. Affected products include: Codeigniter Codeigniter.