CVE-2018-5135
firefox: WebExtensions can bypass normal restrictions in some circumstances and use "browser.tabs.executeScript" to inject scr...
CVE-2018-5135 is fixed in 4 products on 1 platform, first by firefox 59.0.1+build1-0ubuntu1, released June 11, 2018. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0150
74th percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| firefox · Ubuntu 18.04.6 LTS (bionic) | 59.0.1+build1-0ubuntu1 | firefox 59.0.1+build1-0ubuntu1 | Jun 11, 2018 |
| firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) | 59.0.1+build1-0ubuntu1 | firefox-globalmenu 59.0.1+build1-0ubuntu1 | Jun 11, 2018 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 59.0.1+build1-0ubuntu1 | firefox-mozsymbols 59.0.1+build1-0ubuntu1 | Jun 11, 2018 |
| firefox-testsuite · Ubuntu 18.04.6 LTS (bionic) | 59.0.1+build1-0ubuntu1 | firefox-testsuite 59.0.1+build1-0ubuntu1 | Jun 11, 2018 |