Cross-site scripting (XSS) vulnerability in the addItem method in the Menu widget in YUI before 2.9.0 allows remote attackers to inject arbitrary web script or HTML via a field that is added to a menu, related to documentation that specifies this field as a text field rather than an HTML field, a similar issue to CVE-2010-4569 and CVE-2010-4570.
Conclusion & alert: CVE-2010-4710 is rated Low Risk (33.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.23%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2026-03-04 | 0.26% | 0.23% | -0.02% |
| 2 | 2026-03-01 | 0.23% | 0.26% | +0.02% |
| 3 | 2026-02-04 | — | 0.23% | — |
Full EPSS history (24 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
|
negligible | CVE-2010-4710 negligible priority: Ubuntu including 1 source packages (yui), 8 status rows across 8 suites (dapper, hardy, karmic, lucid, maverick, natty, oneiric, upstream): ignored 6, DNE 1, released 1. | https://ubuntu.com/security/CVE-2010-4710 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| yahoo | yui | <= 2.8.2 | cpe:2.3:a:yahoo:yui:*:*:*:*:*:*:*:* |
| yahoo | yui | 2.2.0 | cpe:2.3:a:yahoo:yui:2.2.0:*:*:*:*:*:*:* |
| yahoo | yui | 2.2.2 | cpe:2.3:a:yahoo:yui:2.2.2:*:*:*:*:*:*:* |
| yahoo | yui | 2.3.0 | cpe:2.3:a:yahoo:yui:2.3.0:*:*:*:*:*:*:* |
| yahoo | yui | 2.3.1 | cpe:2.3:a:yahoo:yui:2.3.1:*:*:*:*:*:*:* |
| 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:*:*:*:*:*:* |