CVE-2012-4144 describes a cross-site scripting (XSS) bypass vulnerability in Opera versions prior to 12.01 on Windows/UNIX and prior to 11.66/12.01 on Mac OS X, stemming from improper character escaping in DOM elements. This medium-complexity vulnerability (CVSS 4.3) could allow remote attackers to bypass XSS protection mechanisms via a crafted HTML document, leading to information disclosure or other client-side attacks. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage for this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 12.00CPE matchmatch criteria | cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:* | ||
12.00CPE matchmatch criteria | cpe:2.3:a:opera:opera_browser:12.00:beta:*:*:*:*:*:* | ||
<= 11.65CPE matchmatch criteria | cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:* | ||
10.00CPE matchmatch criteria | cpe:2.3:a:opera:opera_browser:10.00:*:*:*:*:*:*:* | ||
10.00CPE matchmatch criteria | cpe:2.3:a:opera:opera_browser:10.00:beta1:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:P/A:N
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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.