// For flags

CVE-2023-5725

Mozilla: WebExtensions could open arbitrary URLs

Severity Score

4.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be leveraged to collect sensitive user data. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

Una WebExtension maliciosa instalada podría abrir URL arbitrarias, que en las circunstancias adecuadas podrían aprovecharse para recopilar datos confidenciales del usuario. Esta vulnerabilidad afecta a Firefox &lt; 119, Firefox ESR &lt; 115.4 y Thunderbird &lt; 115.4.1.

The Mozilla Foundation Security Advisory describes this flaw as:

A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be leveraged to collect sensitive user data.

*Credits: Shaheen Fazim
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-10-23 CVE Reserved
  • 2023-10-24 CVE Published
  • 2024-09-11 CVE Updated
  • 2024-10-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mozilla
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Firefox
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< 119.0
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-
Affected
Mozilla
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Firefox Esr
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< 115.4
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-
Affected
Mozilla
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Thunderbird
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< 115.4.1
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-
Affected
Debian
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Debian Linux
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10.0
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-
Affected
Debian
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Debian Linux
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11.0
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-
Affected