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Vulnerability details: VCID-8fw2-a3ws-aaaj
Vulnerability ID VCID-8fw2-a3ws-aaaj
Aliases CVE-2018-5143
Summary URLs using "javascript:" have the protocol removed when pasted into the addressbar to protect users from cross-site scripting (XSS) attacks, but if a tab character is embedded in the "javascript:" URL the protocol is not removed and the script will execute. This could allow users to be socially engineered to run an XSS attack against themselves. 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-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-5143.html
epss 0.00209 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
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epss 0.00209 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00209 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00215 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00215 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00215 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00215 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
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epss 0.00215 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00215 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
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epss 0.00626 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00626 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
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epss 0.00626 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
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epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
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epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
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epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
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epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
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epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.00651 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
epss 0.0094 https://api.first.org/data/v1/epss?cve=CVE-2018-5143
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5143
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-5143
cvssv3 6.1 https://nvd.nist.gov/vuln/detail/CVE-2018-5143
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-2018-5143.html
https://api.first.org/data/v1/epss?cve=CVE-2018-5143
https://bugzilla.mozilla.org/show_bug.cgi?id=1422643
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5143
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:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
CVE-2018-5143 https://nvd.nist.gov/vuln/detail/CVE-2018-5143
mfsa2018-06 https://www.mozilla.org/en-US/security/advisories/mfsa2018-06
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-5143
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:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-5143
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 0.58514
EPSS Score 0.00209
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.