CVE-2017-5466: mozilla firefox Cross-site Scripting
Vulnerability summary
CVE-2017-5466 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in mozilla firefox. EPSS estimates a 1.52% chance of exploitation in the next 30 days, higher than 74.1% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 12 · Related 8Timeline
- 11-06-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
If a page is loaded from an original site through a hyperlink and contains a redirect to a "data:text/html" URL, triggering a reload will run the reloaded "data:text/html" page with its origin set incorrectly. This allows for a cross-site scripting (XSS) attack. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.1MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
1.52%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
-0.03 pp
From 1.55% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugzilla.mozilla.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Redhat6 products
- enterprise_linuxEOL6.0 | 7.0
- enterprise_linux_desktop6.0 | 7.0
- enterprise_linux_server6.0 | 7.0
- enterprise_linux_server_aus7.3 | 7.4
- enterprise_linux_server_eus7.3 | 7.4 | 7.5
Mozilla3 products
- firefox≥ unspecified, < 53 | < 53.0 | < 52.1.0
- firefox_esr≥ unspecified, < 52.1
- thunderbird≥ unspecified, < 52.1 | < 52.1.0
Ubuntu2 products
- firefox< 53.0+build6-0ubuntu0.14.04.1 | < 53.0+build6-0ubuntu0.16.04.1
- thunderbird< 1:52.1.1+build1-0ubuntu0.14.04.1 | < 1:52.1.1+build1-0ubuntu0.16.04.1
3 vendors · 11 products
References
13 links- bugzilla.mozilla.org/show_bug.cgi?id=1353975X Refsource CONFIRMExploitIssue TrackingPatchVendor Advisory