CVE-2023-23598

Description

Due to the Firefox GTK wrapper code's use of text/plain for drag data and GTK treating all text/plain MIMEs containing file URLs as being dragged a website could arbitrarily read a file via a call to <code>DataTransfer.setData</code>. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7.

6.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.14%

Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org

Affected: Mozilla Firefox

Affected: Mozilla Thunderbird

Affected: Mozilla Firefox ESR

References

Link	Tags
https://www.mozilla.org/security/advisories/mfsa2023-02/	vendor advisory
https://www.mozilla.org/security/advisories/mfsa2023-01/	vendor advisory
https://www.mozilla.org/security/advisories/mfsa2023-03/	vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1800425	vendor advisory issue tracking permissions required

Frequently Asked Questions

What is the severity of CVE-2023-23598?: CVE-2023-23598 has been scored as a medium severity vulnerability.
How to fix CVE-2023-23598?: To fix CVE-2023-23598, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-23598 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-23598 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-23598?: CVE-2023-23598 affects Mozilla Firefox, Mozilla Thunderbird, Mozilla Firefox ESR.

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