CVE-2021-45087

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Un ataque de tipo XSS puede ocurrir en GNOME Web (también se conoce como Epiphany) versiones anteriores a 40.4 y 41.x versiones anteriores a 41.1, cuando es usado el modo Ver Fuente o el modo Lector, como lo demuestra un título de página

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-12-16 CVE Reserved
2021-12-16 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-10-24 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (4)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2022/08/msg00006.html	Mailing List

URL	Date	SRC
https://gitlab.gnome.org/GNOME/epiphany/-/issues/1612	2024-08-04

URL	Date	SRC
https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045	2022-08-19

URL	Date	SRC
https://www.debian.org/security/2022/dsa-5042	2022-08-19

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gnome Search vendor "Gnome"		Epiphany Search vendor "Gnome" for product "Epiphany"				< 40.4 Search vendor "Gnome" for product "Epiphany" and version " < 40.4"		-		Affected
Gnome Search vendor "Gnome"		Epiphany Search vendor "Gnome" for product "Epiphany"				>= 41.0 < 41.1 Search vendor "Gnome" for product "Epiphany" and version " >= 41.0 < 41.1"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0"		-		Affected