CVE-2012-2647

Yahoo! Toolbar 1.0.0.5 and earlier for Chrome and Safari allows remote attackers to modify the configured search URL, and intercept search terms, via a crafted web page.

Published: 2012-07-31 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-2647 is rated Moderate Risk (47.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.28%). EPSS rose +1.08% over the last day, indicating growing attacker interest. 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-2012-2647

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 0.19% 1.28% +1.08%
2 2025-03-17 0.54% 0.19% -0.35%
3 2024-09-17 — 0.54% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-2647

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 4.9 [email protected]

Weakness enumeration for CVE-2012-2647

Affected software / configurations for CVE-2012-2647

Vendor Product Version Raw CPE
yahoo toolbar <= 1.0.0.5 cpe:2.3:a:yahoo:toolbar:*:*:*:*:*:*:*:*

References for CVE-2012-2647

cvelogic Threat Intelligence