CVE-2012-4142 describes a cross-site scripting (XSS) vulnerability in Opera browsers prior to versions 12.01 (Windows/UNIX) and 11.66/12.01 (Mac OS X). The flaw stems from Opera's failure to properly handle certain characters in HTML documents, allowing remote attackers to inject malicious scripts. With a CVSS score of 4.3, this vulnerability has a medium attack complexity and requires user interaction, leading to a partial impact on integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding 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.