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.
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.
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| 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 |
| 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:*:*:*:*:*:* |