CVE-2012-5882

Cross-site scripting (XSS) vulnerability in the Flash component infrastructure in YUI 2.5.0 through 2.9.0 allows remote attackers to inject arbitrary web script or HTML via vectors related to uploader.swf, a similar issue to CVE-2010-4208.

Published: 2012-11-16 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-5882 is rated Moderate Risk (47.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.40%). Core evidence: EPSS rose +2.07% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-5882

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.33% 2.40% +2.07%
2 2026-02-04 0.36% 0.33% -0.03%
3 2026-02-01 0.36%

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-5882

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2012-5882

OS Trackers for CVE-2012-5882

vendor priority summary link
ubuntu medium CVE-2012-5882 medium priority: Ubuntu including 2 source packages (maas, yui), 38 status rows across 19 suites (artful, bionic, cosmic, disco, hardy, lucid, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 16, DNE 11, ignored 10, needs-triage 1. https://ubuntu.com/security/CVE-2012-5882

Affected software / configurations for CVE-2012-5882

Vendor Product Version Raw CPE
yahoo yui 2.4.0 cpe:2.3:a:yahoo:yui:2.4.0:*:*:*:*:*:*:*
yahoo yui 2.4.1 cpe:2.3:a:yahoo:yui:2.4.1:*:*:*:*:*:*:*
yahoo yui 2.5.0 cpe:2.3:a:yahoo:yui:2.5.0:*:*:*:*:*:*:*
yahoo yui 2.5.1 cpe:2.3:a:yahoo:yui:2.5.1:*:*:*:*:*:*:*
yahoo yui 2.5.2 cpe:2.3:a:yahoo:yui:2.5.2:*:*:*:*:*:*:*
yahoo yui 2.6.0 cpe:2.3:a:yahoo:yui:2.6.0:*:*:*:*:*:*:*
yahoo yui 2.7.0 cpe:2.3:a:yahoo:yui:2.7.0:*:*:*:*:*:*:*
yahoo yui 2.8.0 cpe:2.3:a:yahoo:yui:2.8.0:*:*:*:*:*:*:*
yahoo yui 2.8.1 cpe:2.3:a:yahoo:yui:2.8.1:*:*:*:*:*:*:*
yahoo yui 2.8.1 cpe:2.3:a:yahoo:yui:2.8.1:pr1:*:*:*:*:*:*
yahoo yui 2.8.2 cpe:2.3:a:yahoo:yui:2.8.2:*:*:*:*:*:*:*
yahoo yui 2.9.0 cpe:2.3:a:yahoo:yui:2.9.0:*:*:*:*:*:*:*
yahoo yui 2.9.0 cpe:2.3:a:yahoo:yui:2.9.0:pr2:*:*:*:*:*:*
yahoo yui 2.9.0 cpe:2.3:a:yahoo:yui:2.9.0:pr4:*:*:*:*:*:*

References for CVE-2012-5882

cvelogic Threat Intelligence