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Vulnerability details: VCID-tvqb-8urd-aaaq
Vulnerability ID VCID-tvqb-8urd-aaaq
Aliases CVE-2018-5135
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-862 Missing Authorization
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-5135.html
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generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5135
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2018-5135
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-5135
generic_textual Low https://ubuntu.com/security/notices/USN-3596-1
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2018-06
generic_textual Low https://www.mozilla.org/en-US/security/advisories/mfsa2018-06/
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-5135.html
https://api.first.org/data/v1/epss?cve=CVE-2018-5135
https://bugzilla.mozilla.org/show_bug.cgi?id=1431371
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5135
https://ubuntu.com/security/notices/USN-3596-1
https://usn.ubuntu.com/3596-1/
https://www.mozilla.org/en-US/security/advisories/mfsa2018-06/
https://www.mozilla.org/security/advisories/mfsa2018-06/
http://www.securityfocus.com/bid/103386
http://www.securitytracker.com/id/1040514
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
CVE-2018-5135 https://nvd.nist.gov/vuln/detail/CVE-2018-5135
mfsa2018-06 https://www.mozilla.org/en-US/security/advisories/mfsa2018-06
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-5135
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-5135
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.60562
EPSS Score 0.00228
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.