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CVE-2009-4101

9.3 · HIGH

infoRSS 1.1.4.2 and earlier extension for Firefox performs certain operations with chrome privileges, which allows remote attackers to execute arbitrary commands and perform cross-domain scripting…

Published Nov 29, 2009didier_ernotteCWE-20EPSS 3.55%

Overview

CVE-2009-4101 is a high-severity vulnerability affecting didier_ernotte inforss. It was published on November 29, 2009 and has a CVSS 2.0 base score of 9.3 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

infoRSS 1.1.4.2 and earlier extension for Firefox performs certain operations with chrome privileges, which allows remote attackers to execute arbitrary commands and perform cross-domain scripting attacks via the description tag of an RSS feed.

Remediation

Check the references section for vendor advisories and patches from didier_ernotte. Update inforss 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
didier_ernotteinforss0Affected

References

Refsecunia.com/advisories/37467Refwww.vupen.com/english/advisories/2009/3323Refaddons.mozilla.org/en-US/firefox/addons/versions/361#version-1.2.0Refexchange.xforce.ibmcloud.com/vulnerabilities/54370Refsecunia.com/advisories/37467Refwww.vupen.com/english/advisories/2009/3323Refaddons.mozilla.org/en-US/firefox/addons/versions/361#version-1.2.0Refexchange.xforce.ibmcloud.com/vulnerabilities/54370

How CyberStrike helps

Frequently asked questions

What is CVE-2009-4101?

CVE-2009-4101 is a high-severity vulnerability affecting didier_ernotte inforss. It was published on November 29, 2009 and has a CVSS 2.0 base score of 9.3 (HIGH).

How severe is CVE-2009-4101?

This vulnerability has a CVSS 2.0 base score of 9.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-4101?

Check the references section for vendor advisories and patches from didier_ernotte. Update inforss 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-2009-4101?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-4101 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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