CVE-2012-4563

Cross-site scripting (XSS) vulnerability in Google Web Toolkit (GWT) 2.4 Beta and release candidates before 2.4.0 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Published: 2012-11-20 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-4563 is rated Low Risk (32.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.24%). 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.

Exploit prediction scoring system (EPSS) score for CVE-2012-4563

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 2025-03-30 0.34% 0.24% -0.10%
2 2025-03-29 0.24% 0.34% +0.10%
3 2025-03-25 — 0.24% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4563

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-2012-4563

OS Trackers for CVE-2012-4563

vendor priority summary link
redhat — — https://access.redhat.com/security/cve/CVE-2012-4563
ubuntu medium CVE-2012-4563 medium priority: Ubuntu including 1 source packages (gwt), 9 status rows across 9 suites (hardy, lucid, oneiric, precise, quantal, raring, saucy, trusty, upstream): DNE 4, ignored 2, not-affected 2, released 1. https://ubuntu.com/security/CVE-2012-4563

Affected software / configurations for CVE-2012-4563

Vendor Product Version Raw CPE
google web_toolkit 2.4 cpe:2.3:a:google:web_toolkit:2.4:beta:*:*:*:*:*:*

References for CVE-2012-4563

cvelogic Threat Intelligence