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CVE-2018-5143

UNKNOWN
Published 2018-06-11T21:00:00
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No CVSS data available

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Mozilla

Firefox

Affected Versions:

unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-qqw6-4m7h-4hwr

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2018-5143
WEB https://bugzilla.mozilla.org/show_bug.cgi?id=1422643
WEB https://usn.ubuntu.com/3596-1
WEB https://www.mozilla.org/security/advisories/mfsa2018-06
WEB http://www.securityfocus.com/bid/103386
WEB http://www.securitytracker.com/id/1040514

Advisory provided by GitHub Security Advisory Database. Published: May 14, 2022, Modified: May 14, 2022

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1422643
http://www.securityfocus.com/bid/103386
http://www.securitytracker.com/id/1040514
https://usn.ubuntu.com/3596-1/
https://www.mozilla.org/security/advisories/mfsa2018-06/
Published: 2018-06-11T21:00:00
Last Modified: 2024-08-05T05:26:46.997Z
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