CVE-2023-23598

Advisory lineage Upstream: 0 Downstream: 34
Modified
Published: 02 Jun 2023, 00:00
Last modified:18 Dec 2025, 15:22

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.19% LOW
0% probability +0.01%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

02 Jun 2023, 00:00
Published
Vulnerability first disclosed
18 Dec 2025, 15:22
Last Modified
Vulnerability information updated

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

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Trends

Current EPSS score: 0.19%• Percentile: 41%

Affected Systems

  • mozilla•firefox

    < 109.0 | ≥ unspecified, < 109

  • mozilla•firefox_esr

    < 102.7 | ≥ unspecified, < 102.7

  • mozilla•thunderbird

    < 102.7 | ≥ unspecified, < 102.7

References (4)