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Epiphany CVE-2021-45088

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2021-12-16 cve@mitre.org
XSS Epiphany Debian Linux
6.1
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

1
CVE Published
Dec 16, 2021 - 03:15 nvd
MEDIUM 6.1

DescriptionNVD

XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an error page.

AnalysisAI

XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an error page. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an error page. Affected products include: Gnome Epiphany, Debian Debian Linux. Version information: before 40.4.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

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CVE-2021-45088 vulnerability details – vuln.today
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