CVE-2018-18499

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

A same-origin policy violation allowing the theft of cross-origin URL entries when using a meta http-equiv="refresh" on a page 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 Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.

Metrics

CVSS 3.0 6.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-346

Affected software

Vendor	Product	Versions
Mozilla	Firefox	>= unspecified, < 62
Mozilla	Firefox ESR	>= unspecified, < 60.2
Mozilla	Thunderbird	>= unspecified, < 60.2.1

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1468523Issue Tracking, Permissions Required, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-20/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-21/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-25/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1468523Issue Tracking, Permissions Required, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-20/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-21/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-25/Vendor Advisory

Timeline

Published: Feb 28, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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