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CVE-2011-2358

22
FAUCET Score

CVE-2011-2358 describes a vulnerability in Google Chrome versions prior to 13.0.782.107, where the browser failed to require user confirmation for extension installations. This oversight allowed remote attackers to more easily install malicious "Trojan horse" extensions, thereby modifying the browser's functionality without explicit user consent. The vulnerability has a CVSS score of 6.8, indicating a medium severity with a network attack vector, medium attack complexity, and potential for partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in the CISA KEV catalog, though it garnered some community discussion and media coverage at the time.

Impacted Technologies

VendorProductVersion(s)CPE
< 13.0.782.107CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.04%
Probability of exploitation in next 30 days
EPSS Percentile
60.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0104 is in the 20th percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

code.google.com / p/chromium/issues/detail
googlechromereleases.blogspot.com / 2011/08/stable-channel-update.html
osvdb.org / 74228
exchange.xforce.ibmcloud.com / vulnerabilities/68940
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14425