Vulnerability in Mozilla Firefox

CVE-2023-23598

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 `DataTransfer.setData`. This vulnerability affects Firefox < 109, Firefox ESR < 102.7, and Thunderbird < 102.7.

EPSS: 0.006 (47.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

References

Frequently asked questions

What is CVE-2023-23598?
CVE-2023-23598 is a medium-severity vulnerability in Mozilla Firefox. CVSS score: 6.5/10. Published 2023-06-02.
How severe is CVE-2023-23598?
Medium severity. CVSS v3 base score is 6.5 out of 10.