CVE-2021-45087

XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 when View Source mode or Reader mode is used, as demonstrated by a a page title.

CVSS v3.1

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS

1.50% chance of exploitation in the next 30 days, 72th percentile

Published

2021-12-16

Updated

2024-08-04

Proof-of-concept exploits (1)

• https://gitlab.gnome.org/GNOME/epiphany/-/issues/1612

References

• CVE Record
• NVD entry

Related

• CVE-2021-45086
• CVE-2021-45088
• CVE-2021-45085
• CVE-2021-45092
• CVE-2021-45078
• CVE-2021-45098