📦

opera_browser

Vendor: opera

Actively Exploited 0 CISA KEV List
PoC / Exploits 26 Code Available
Total RCEs 30 Remote Access
Total CVEs 2033 Total Indexed
Avg. EPSS 3.16% Exploit Prob.
Latest CVE CVE-2018-18913 Mar 21

Security Vulnerability Index

Page 7 / 204
5.0 CVSS

Opera 11.60 and earlier does not prevent capture of data about the times of Same Origin Policy violations during IFRAME loading attempts, which makes it easier for remote attackers to determine whether a document exists in the browser cache via crafted JavaScript code.

EPSS: 0.23%
5.0 CVSS

Opera before 11.60 allows remote attackers to cause a denial of service (CPU and memory consumption) via unspecified content on a web page, as demonstrated by a page under the cisco.com home page.

EPSS: 0.49%
5.0 CVSS

Unspecified vulnerability in the Web Workers implementation in Opera before 11.60 allows remote attackers to cause a denial of service (application crash) via unknown vectors.

EPSS: 0.49%
5.0 CVSS

Dragonfly in Opera before 11.60 allows remote attackers to cause a denial of service (application crash) via unspecified content on a web page, as demonstrated by forbes.com.

EPSS: 0.49%
10.0 CVSS
CVE-2011-4684
Exploit Found

Opera before 11.60 does not properly handle certificate revocation, which has unspecified impact and remote attack vectors related to "corner cases."

EPSS: 1.49%
10.0 CVSS

Unspecified vulnerability in Opera before 11.60 has unknown impact and attack vectors, related to a "moderately severe issue."

EPSS: 0.46%
6.4 CVSS

The JavaScript engine in Opera before 11.60 does not properly implement the in operator, which allows remote attackers to bypass the Same Origin Policy via vectors related to variables on different web sites.

EPSS: 0.28%
5.0 CVSS

Opera before 11.60 does not properly consider the number of . (dot) characters that conventionally exist in domain names of different top-level domains, which allows remote attackers to bypass the Same Origin Policy by leveraging access to a different domain name in the same top-level domain, as demonstrated by the .no or .uk domain.

EPSS: 0.25%
5.0 CVSS

The JavaScript implementation in Opera 10.5 does not properly restrict the set of values contained in the object returned by the getComputedStyle method, which allows remote attackers to obtain sensitive information about visited web pages by calling this method.

EPSS: 0.23%
4.3 CVSS

The Cascading Style Sheets (CSS) implementation in Opera 10.5 does not properly handle the :visited pseudo-class, which allows remote attackers to obtain sensitive information about visited web pages via a crafted HTML document, a related issue to CVE-2010-2264.

EPSS: 0.23%