Medium severity · published Feb 28, 2019
CVE-2018-18499
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…
6.5
CVSS
1.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 62 · source: vendor, NVD
FE
Firefox ESR · Mozilla
before 60.2 · source: vendor, NVD
TH
Thunderbird · Mozilla
before 60.2.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-18499
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-18499
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1468523
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/
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