CVE-2021-45086

MEDIUM

GNOME Web < 40.4 and 41.x < 41.1 - Cross-Site Scripting via PDF.js Filename Handling

Title source: llm
STIX 2.1

Description

XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 because a server's suggested_filename is used as the pdf_name value in PDF.js.

References (3)

Core 3
Core References
Exploit, Vendor Advisory x_refsource_misc
https://gitlab.gnome.org/GNOME/epiphany/-/issues/1612
Patch, Vendor Advisory x_refsource_misc
https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2022/dsa-5042

Scores

CVSS v3 6.1
EPSS 0.0021
EPSS Percentile 43.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (2)
debian/debian_linux 11.0
gnome/epiphany < 40.4
Published Dec 16, 2021
Tracked Since Feb 18, 2026