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CVE-2009-2351

4.3 · MEDIUM

Opera 9.52 and earlier does not block javascript: URIs in Refresh headers in HTTP responses, which allows remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to (1) i…

Published Jul 7, 2009operaCWE-79EPSS 1.71%

Overview

CVE-2009-2351 is a medium-severity vulnerability affecting opera opera_browser. It was published on July 7, 2009 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Opera 9.52 and earlier does not block javascript: URIs in Refresh headers in HTTP responses, which allows remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to (1) injecting a Refresh header or (2) specifying the content of a Refresh header, a related issue to CVE-2009-1312. NOTE: it was later reported that 10.00 Beta 3 Build 1699 is also affected.

Remediation

Check the references section for vendor advisories and patches from opera. Update opera_browser to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
operaopera_browser0Affected

References

Refwebsecurity.com.ua/3275/Refwebsecurity.com.ua/3386/Refwww.securityfocus.com/archive/1/504718/100/0/threadedRefwww.securityfocus.com/archive/1/504723/100/0/threadedRefwww.securityfocus.com/bid/35571Refwebsecurity.com.ua/3275/Refwebsecurity.com.ua/3386/Refwww.securityfocus.com/archive/1/504718/100/0/threadedRefwww.securityfocus.com/archive/1/504723/100/0/threadedRefwww.securityfocus.com/bid/35571

How CyberStrike helps

Frequently asked questions

What is CVE-2009-2351?

CVE-2009-2351 is a medium-severity vulnerability affecting opera opera_browser. It was published on July 7, 2009 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2009-2351?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-2351?

Check the references section for vendor advisories and patches from opera. Update opera_browser to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-2351?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-2351 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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