A same-origin policy violation allowing the theft of cross-origin URL entries when using the Javascript location property to cause a…

Description

A same-origin policy violation allowing the theft of cross-origin URL entries when using the Javascript location property to cause a redirection to another site using performance.getEntries(). This is a same-origin policy violation and could allow for data theft. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.

Scores

EPSS (exploitation in 30 days)

1.5% · top 25% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.

Weakness

• Same-origin policy violation using location attribute and performance.getEntries to steal cross-origin URLs
• CWE-346 (opens in a new tab)All about CWE-346 and its CVEs

Affected products

• Mozilla · Thunderbird

  • affected unspecified – < 60.4

• Mozilla · Firefox ESR

  • affected unspecified – < 60.4

• Mozilla · Firefox

  • affected unspecified – < 64

References (15)

• https://www.mozilla.org/security/advisories/mfsa2018-29/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• [debian-lts-announce] 20181213 [SECURITY] [DLA 1605-1] firefox-esr security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• RHSA-2018:3833 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2018:3831 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• DSA-4362 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• GLSA-201903-04 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• USN-3844-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 106168 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• RHSA-2019:0159 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://www.mozilla.org/security/advisories/mfsa2018-31/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://www.mozilla.org/security/advisories/mfsa2018-30/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugzilla.mozilla.org/show_bug.cgi?id=1487964 (opens in a new tab)x_refsource_CONFIRMx_transferred
• DSA-4354 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• USN-3868-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• RHSA-2019:0160 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_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-2018-18494](https://trackcve.app/badge/CVE-2018-18494.svg)](https://trackcve.app/cve/CVE-2018-18494)

Record last updated 5 Aug 2024, 11:08 UTC.