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Vulnerability record · CVE-2012-5883 · published 16 November 2012

CVE-2012-5883: Mozilla bugzilla cross-site scripting vulnerability

Mozilla · Bugzilla

Cross-site scripting (XSS) vulnerability in the Flash component infrastructure in YUI 2.8.0 through 2.9.0, as used in Bugzilla 3.7.x and 4.0.x before 4.0.9, 4.1.x and 4.2.x before 4.2.4, and 4.3.x and 4.4.x before 4.4rc1, allows remote attackers to inject arbitrary web script or HTML via vectors related to swfstore.swf, a similar issue to CVE-2010-4209.

4.3 CVSS 2.0 Medium EPSS 2.1% · top 19.0% CWE-79 · Cross-site scripting
4.3CVSS 2.0 base score
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

Description

Cross-site scripting (XSS) vulnerability in the Flash component infrastructure in YUI 2.8.0 through 2.9.0, as used in Bugzilla 3.7.x and 4.0.x before 4.0.9, 4.1.x and 4.2.x before 4.2.4, and 4.3.x and 4.4.x before 4.4rc1, allows remote attackers to inject arbitrary web script or HTML via vectors related to swfstore.swf, a similar issue to CVE-2010-4209.

AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.bugzilla.org/security/3.6.11/
http://www.mandriva.com/security/advisories?name=MDVSA-2013:066
http://www.securityfocus.com/bid/56385
http://www.yuiblog.com/blog/2012/10/30/security-announcement-swf-vulnerability-in-yui-2/
http://www.yuiblog.com/blog/2012/11/05/post-mortem-swf-vulnerability-in-yui-2/
http://yuilibrary.com/support/20121030-vulnerability/ PatchVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=808845
https://exchange.xforce.ibmcloud.com/vulnerabilities/80116
http://www.bugzilla.org/security/3.6.11/
http://www.mandriva.com/security/advisories?name=MDVSA-2013:066
http://www.securityfocus.com/bid/56385
http://www.yuiblog.com/blog/2012/10/30/security-announcement-swf-vulnerability-in-yui-2/
http://www.yuiblog.com/blog/2012/11/05/post-mortem-swf-vulnerability-in-yui-2/
http://yuilibrary.com/support/20121030-vulnerability/ PatchVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=808845
https://exchange.xforce.ibmcloud.com/vulnerabilities/80116

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-5883), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.