CVE-2012-1582

Name: CVE-2012-1582
Creator: NVD / NIST
Published: 2012-09-09T21:55:06.183+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.38%

Last modified Jun 16, 2026

CVE-2012-1582 is a vulnerability of currently unknown severity. Cross-site scripting (XSS) vulnerability in the wikitext parser in MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 allows remote attackers to inject arbitrary web script or HTML via a crafted page with "forged strip item markers," as demonstrated using the CharInsert extension.. EPSS estimates a 2.38% chance of exploitation in the next 30 days.

Description

Cross-site scripting (XSS) vulnerability in the wikitext parser in MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 allows remote attackers to inject arbitrary web script or HTML via a crafted page with "forged strip item markers," as demonstrated using the CharInsert extension.

Metrics

EPSS Probability

2.38%

81.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Mediawiki	Mediawiki	1.17
Mediawiki	Mediawiki	1.17.0
Mediawiki	Mediawiki	1.17.1
Mediawiki	Mediawiki	1.17.2
Mediawiki	Mediawiki	1.18
Mediawiki	Mediawiki	1.18.0
Mediawiki	Mediawiki	1.18.1

References

Timeline

Published: Sep 9, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-1582?

How severe is CVE-2012-1582?

Severity scoring for CVE-2012-1582 is pending analysis. The EPSS model estimates a 2.38% probability of exploitation in the next 30 days.

How do I fix CVE-2012-1582?

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-2012-1582?

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

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Source: NVD / NIST