// For flags

CVE-2021-30884

webkitgtk: CSS compositing issue leading to revealing of the browsing history

Severity Score

4.7
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The issue was resolved with additional restrictions on CSS compositing. This issue is fixed in tvOS 15, watchOS 8, iOS 15 and iPadOS 15. Visiting a maliciously crafted website may reveal a user's browsing history.

El problema se resolvió con restricciones adicionales en la composición de CSS. Este problema se corrigió en tvOS versión 15, watchOS versión 8, iOS versión 15 y iPadOS versión 15. Visitar un sitio web diseñado de forma maliciosa puede revelar el historial de navegación de un usuario

A flaw was found in the way WebKitGTK performed CSS compositing. A malicious web site could possibly use this flaw to reveal user's browsing history.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-04-13 CVE Reserved
  • 2021-08-24 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-12 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apple
Search vendor "Apple"
Ipados
Search vendor "Apple" for product "Ipados"
< 15.0
Search vendor "Apple" for product "Ipados" and version " < 15.0"
-
Affected
Apple
Search vendor "Apple"
Iphone Os
Search vendor "Apple" for product "Iphone Os"
< 15.0
Search vendor "Apple" for product "Iphone Os" and version " < 15.0"
-
Affected
Apple
Search vendor "Apple"
Macos
Search vendor "Apple" for product "Macos"
< 12.0.1
Search vendor "Apple" for product "Macos" and version " < 12.0.1"
-
Affected
Apple
Search vendor "Apple"
Tvos
Search vendor "Apple" for product "Tvos"
< 15.0
Search vendor "Apple" for product "Tvos" and version " < 15.0"
-
Affected
Apple
Search vendor "Apple"
Watchos
Search vendor "Apple" for product "Watchos"
< 8.0
Search vendor "Apple" for product "Watchos" and version " < 8.0"
-
Affected