CVE-2012-2698

What it is

Cross-site scripting (XSS) vulnerability in the outputPage function in includes/SkinTemplate.php in MediaWiki before 1.17.5, 1.18.x before 1.18.4, and 1.19.x before 1.19.1 allows remote attackers to inject arbitrary web script or HTML via the uselang parameter to index.php/Main_page.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

4.9% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2012-06-29 19:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:41 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 4.9% in the next 30 days (EPSS).
• Severity: 4.3 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2012-06-29 19:55 UTC

Last modified

2026-06-16 23:41 UTC

Exploit probability

4.9% · EPSS, next 30 days

Weakness

CWE-79 · Cross-site scripting

Record status

Modified

Affected

• Mediawiki 1.18
• Mediawiki 1.18.0
• Mediawiki 1.18.1
• Mediawiki 1.18.2
• Mediawiki 1.18.3
• Mediawiki ≤ 1.17.4
• Mediawiki 1.1.0
• Mediawiki 1.2.0

Attack profile CVSS 2.0 · 4.3

Attack vector

Network

Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

Is it in your code?

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