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CVE-2013-4568

UnknownEPSS 2.10%

Last modified

CVE-2013-4568 is a vulnerability of currently unknown severity. Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via certain non-ASCII characters in CSS, as demonstrated using variations of "expression" containing (1) full width characters or (2) IPA extensions, which are converted and rendered by Internet Explorer.. EPSS estimates a 2.10% chance of exploitation in the next 30 days.

Description

Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via certain non-ASCII characters in CSS, as demonstrated using variations of "expression" containing (1) full width characters or (2) IPA extensions, which are converted and rendered by Internet Explorer.

Metrics

EPSS Probability
2.10%

79.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
MediawikiMediawiki1.20
MediawikiMediawiki1.20.1
MediawikiMediawiki1.20.2
MediawikiMediawiki1.20.3
MediawikiMediawiki1.20.4
MediawikiMediawiki1.20.5
MediawikiMediawiki1.20.6
MediawikiMediawiki1.20.7
MediawikiMediawiki1.21
MediawikiMediawiki1.21.1
MediawikiMediawiki1.21.2
MediawikiMediawiki<= 1.19.8
MediawikiMediawiki1.19
MediawikiMediawiki1.19.0
MediawikiMediawiki1.19.1
MediawikiMediawiki1.19.2
MediawikiMediawiki1.19.3
MediawikiMediawiki1.19.4
MediawikiMediawiki1.19.5
MediawikiMediawiki1.19.6
MediawikiMediawiki1.19.7

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2013-4568?
Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via certain non-ASCII characters in CSS, as demonstrated using variations of "expression" containing (1) full width characters or (2) IPA extensions, which are converted and rendered by Internet Explorer.
How severe is CVE-2013-4568?
Severity scoring for CVE-2013-4568 is pending analysis. The EPSS model estimates a 2.10% probability of exploitation in the next 30 days.
How do I fix CVE-2013-4568?
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.

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Source: NVD / NIST