The web console and JavaScript debugger do not sanitize all output that can be hyperlinked. Both will display "chrome:" links as active,…

Description

The web console and JavaScript debugger do not sanitize all output that can be hyperlinked. Both will display "chrome:" links as active, clickable hyperlinks in their output. Web sites should not be able to directly link to internal chrome pages. Additionally, the JavaScript debugger will display "javascript:" links, which users could be tricked into clicking by malicious sites. This vulnerability affects Firefox < 60.

Scores

EPSS (exploitation in 30 days)

1.4% · top 27% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

• Improper linkification of chrome: and javascript: content in web console and JavaScript debugger
• CWE-20 (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• Mozilla · Firefox

  • affected unspecified – < 60

References (5)

• https://www.mozilla.org/security/advisories/mfsa2018-11/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• 1040896 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• USN-3645-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 104139 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• https://bugzilla.mozilla.org/show_bug.cgi?id=1447969 (opens in a new tab)x_refsource_CONFIRMx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2018-5167](https://trackcve.app/badge/CVE-2018-5167.svg)](https://trackcve.app/cve/CVE-2018-5167)

Record last updated 5 Aug 2024, 05:26 UTC.