CVE-2013-6455

Name: CVE-2013-6455
Creator: NVD / NIST
Published: 2020-01-28T15:15:14.703+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.13%

Last modified Jun 17, 2026

CVE-2013-6455 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. The CentralAuth extension for MediaWiki before 1.19.10, 1.2x before 1.21.4, and 1.22.x before 1.22.1 allows remote attackers to obtain usernames via vectors related to writing the names to the DOM of a page.. EPSS estimates a 1.13% chance of exploitation in the next 30 days.

Description

The CentralAuth extension for MediaWiki before 1.19.10, 1.2x before 1.21.4, and 1.22.x before 1.22.1 allows remote attackers to obtain usernames via vectors related to writing the names to the DOM of a page.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

1.13%

62.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Mediawiki	Mediawiki	< 1.19.10
Mediawiki	Mediawiki	>= 1.20.0, < 1.21.4
Mediawiki	Mediawiki	>= 1.22.0, < 1.22.1

References

http://lists.wikimedia.org/pipermail/mediawiki-announce/2014-January/000138.htmlVendor Advisory
http://lists.wikimedia.org/pipermail/mediawiki-announce/2014-January/000138.htmlVendor Advisory

Timeline

Published: Jan 28, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-6455?

How severe is CVE-2013-6455?

CVE-2013-6455 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.13% probability of exploitation in the next 30 days.

How do I fix CVE-2013-6455?

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-2013-6455?

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

Scan your code now

Source: NVD / NIST