CVEvulnerability
CVE-2018-5135
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2018-06-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-862
Description
WebExtensions can bypass normal restrictions in some circumstances and use "browser.tabs.executeScript" to inject scripts into contexts where this should not be allowed, such as pages from other WebExtensions or unprivileged "about:" pages. This vulnerability affects Firefox < 59.
Affected configurations
• mozilla firefox (< 59.0)
Related
Weakness · CWE (1)
- CWE-862 Missing Authorization weakness
References
- http://www.securityfocus.com/bid/103386 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040514 Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1431371 Permissions Required
- https://usn.ubuntu.com/3596-1/ Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-06/ Vendor Advisory
- http://www.securityfocus.com/bid/103386 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040514 Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1431371 Permissions Required
- https://usn.ubuntu.com/3596-1/ Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-06/ Vendor Advisory