CVE-2011-4455

Name: CVE-2011-4455
Creator: NVD / NIST
Published: 2019-11-20T19:15:11.047+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.95%

Last modified Jun 16, 2026

CVE-2011-4455 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Multiple cross-site scripting vulnerabilities in Tiki 7.2 and earlier allow remote attackers to inject arbitrary web script or HTML via the path info to (1) tiki-admin_system.php, (2) tiki-pagehistory.php, (3) tiki-removepage.php, or (4) tiki-rename_page.php.. EPSS estimates a 0.95% chance of exploitation in the next 30 days.

Description

Multiple cross-site scripting vulnerabilities in Tiki 7.2 and earlier allow remote attackers to inject arbitrary web script or HTML via the path info to (1) tiki-admin_system.php, (2) tiki-pagehistory.php, (3) tiki-removepage.php, or (4) tiki-rename_page.php.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.95%

56.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Tiki	Tiki	<= 7.2

References

https://packetstormsecurity.com/files/107082/Tiki-Wiki-CMS-Groupware-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://packetstormsecurity.com/files/107082/Tiki-Wiki-CMS-Groupware-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry

Timeline

Published: Nov 20, 2019
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-4455?

How severe is CVE-2011-4455?

CVE-2011-4455 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.

How do I fix CVE-2011-4455?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-4455?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST