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CVE-2011-1587

UnknownEPSS 1.71%

Last modified

CVE-2011-1587 is a vulnerability of currently unknown severity. Cross-site scripting (XSS) vulnerability in MediaWiki before 1.16.4, when Internet Explorer 6 or earlier is used, allows remote attackers to inject arbitrary web script or HTML via an uploaded file accessed with a dangerous extension such as .html located before a ? (question mark) in a query string, in conjunction with a modified URI path that has a %2E sequence in place of the . (dot) character. EPSS estimates a 1.71% chance of exploitation in the next 30 days.

Description

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.16.4, when Internet Explorer 6 or earlier is used, allows remote attackers to inject arbitrary web script or HTML via an uploaded file accessed with a dangerous extension such as .html located before a ? (question mark) in a query string, in conjunction with a modified URI path that has a %2E sequence in place of the . (dot) character. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-1578.

Metrics

EPSS Probability
1.71%

74.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MediawikiMediawiki<= 1.16.3—
MediawikiMediawiki1.1.0—
MediawikiMediawiki1.2.0—
MediawikiMediawiki1.2.1—
MediawikiMediawiki1.2.2—
MediawikiMediawiki1.2.3—
MediawikiMediawiki1.2.4—
MediawikiMediawiki1.2.5—
MediawikiMediawiki1.2.6—
MediawikiMediawiki1.3—
MediawikiMediawiki1.3.0—
MediawikiMediawiki1.3.1—
MediawikiMediawiki1.3.2—
MediawikiMediawiki1.3.3—
MediawikiMediawiki1.3.4—
MediawikiMediawiki1.3.5—
MediawikiMediawiki1.3.6—
MediawikiMediawiki1.3.7—
MediawikiMediawiki1.3.8—
MediawikiMediawiki1.3.9—
MediawikiMediawiki1.3.10—
MediawikiMediawiki1.3.11—
MediawikiMediawiki1.3.12—
MediawikiMediawiki1.3.13—
MediawikiMediawiki1.3.14—
MediawikiMediawiki1.3.15—
MediawikiMediawiki1.4Beta1
MediawikiMediawiki1.4.0—
MediawikiMediawiki1.4.1—
MediawikiMediawiki1.4.2—
MediawikiMediawiki1.4.3—
MediawikiMediawiki1.4.4—
MediawikiMediawiki1.4.5—
MediawikiMediawiki1.4.6—
MediawikiMediawiki1.4.7—
MediawikiMediawiki1.4.8—
MediawikiMediawiki1.4.9—
MediawikiMediawiki1.4.10—
MediawikiMediawiki1.4.11—
MediawikiMediawiki1.4.12—
MediawikiMediawiki1.4.13—
MediawikiMediawiki1.4.14—
MediawikiMediawiki1.5Alpha1
MediawikiMediawiki1.5.0—
MediawikiMediawiki1.5.1—
MediawikiMediawiki1.5.2—
MediawikiMediawiki1.5.3—
MediawikiMediawiki1.5.4—
MediawikiMediawiki1.5.5—
MediawikiMediawiki1.5.6—

Showing 50 of 112 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-1587?
Cross-site scripting (XSS) vulnerability in MediaWiki before 1.16.4, when Internet Explorer 6 or earlier is used, allows remote attackers to inject arbitrary web script or HTML via an uploaded file accessed with a dangerous extension such as .html located before a ? (question mark) in a query string, in conjunction with a modified URI path that has a %2E sequence in place of the . (dot) character. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-1578.
How severe is CVE-2011-1587?
Severity scoring for CVE-2011-1587 is pending analysis. The EPSS model estimates a 1.71% probability of exploitation in the next 30 days.
How do I fix CVE-2011-1587?
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-2011-1587?

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

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Source: NVD / NIST