CVE details

CVE-2026-74960

Site isolation issue in the WebExtensions component

• Severity: Medium
• CVSS: N/A
• Published: 2026-08-18
• Fixed in: 154

Description

Site isolation issue in the WebExtensions component

Affected products

• Firefox · → 154
• Firefox · → 140.14.0
• Firefox · 141.0 → 153.1.0

Overlaps: Firefox

Source

View on NVD

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