How severe is CVE-2024-50346?

CVE-2024-50346 has a CVSS 4.0 base score of 5.1, rated medium severity.

Is CVE-2024-50346 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-50346?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-50346 have an EU (EUVD) identifier?

Yes. CVE-2024-50346 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-44832.

When was CVE-2024-50346 published?

CVE-2024-50346 was published on 2024-11-05 and last updated on 2026-06-17.

CVE-2024-50346

CVE-2024-50346 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 4.0 base score 5.1)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-44832
Weakness: CWE-79
Published: 2024-11-05
Last modified: 2026-06-17

Description

WebFeed is a lightweight web feed reader extension for Firefox/Chrome. Multiple HTML injection vulnerabilities in WebFeed can lead to CSRF and UI spoofing attacks. A remote attacker can provide malicious RSS feeds and attract the victim user to visit it using WebFeed. The attacker can then inject malicious HTML into the extension page and fool the victim into sending out HTTP requests to arbitrary sites with the victim's credentials. Users are vulnerable to CSRF attacks when visiting malicious RSS feeds via WebFeed. Unwanted actions could be executed on the user's behalf on arbitrary websites. This issue has been addressed in release version 0.9.2. All users are advised to upgrade. There are no known workarounds for this vulnerability.

Frequently asked questions

What is CVE-2024-50346?: WebFeed is a lightweight web feed reader extension for Firefox/Chrome. Multiple HTML injection vulnerabilities in WebFeed can lead to CSRF and UI spoofing attacks. A remote attacker can provide malicious RSS feeds and attract the victim user to visit it using WebFeed. The attacker can then inject malicious HTML into the extension page and fool the victim into sending out HTTP requests to arbitrary sites with the victim's credentials. Users are vulnerable to CSRF attacks when visiting malicious RSS feeds via WebFeed. Unwanted actions could be executed on the user's behalf on arbitrary websites. This issue has been addressed in release version 0.9.2. All users are advised to upgrade. There are no known workarounds for this vulnerability.
How severe is CVE-2024-50346?: CVE-2024-50346 has a CVSS 4.0 base score of 5.1, rated medium severity.
Is CVE-2024-50346 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-50346?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-50346 have an EU (EUVD) identifier?: Yes. CVE-2024-50346 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-44832.
When was CVE-2024-50346 published?: CVE-2024-50346 was published on 2024-11-05 and last updated on 2026-06-17.

References

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