Not rated
CVE-2018-18497 Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the…
Description
Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to load multiple pages as a single argument. This could allow a malicious WebExtension to open privileged about: or file: locations. This vulnerability affects Firefox < 64.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 64 | earliest → < 64 | 64 |
Other CVEs of Firefox
The 2221 CVEs of Firefox →
CVE-2026-120572
Incorrect boundary conditions in the Layout: Block and Inline component
8.8
High
CVE-2026-118027
Frame poisoning in the Layout component
9.1
Critical
CVE-2026-118024
Use-after-free in the Graphics: Text component
8.8
High
CVE-2026-118026
Invalid pointer in the JavaScript: GC component
8.8
High