CVE-2017-7808

Name: CVE-2017-7808
Creator: NVD / NIST
Published: 2018-06-11T21:29:10.217+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.85%

Last modified Jun 17, 2026

CVE-2017-7808 is a vulnerability of currently unknown severity. A content security policy (CSP) "frame-ancestors" directive containing origins with paths allows for comparisons against those paths instead of the origin. This results in a cross-origin information leak of this path information. EPSS estimates a 0.85% chance of exploitation in the next 30 days.

Description

A content security policy (CSP) "frame-ancestors" directive containing origins with paths allows for comparisons against those paths instead of the origin. This results in a cross-origin information leak of this path information. This vulnerability affects Firefox < 55.

Metrics

EPSS Probability

0.85%

53.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 55.0

References

http://www.securityfocus.com/bid/100373Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039124Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1367531Issue Tracking, Patch, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-18/Vendor Advisory
http://www.securityfocus.com/bid/100373Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039124Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1367531Issue Tracking, Patch, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-18/Vendor Advisory

Timeline

Published: Jun 11, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-7808?

How severe is CVE-2017-7808?

Severity scoring for CVE-2017-7808 is pending analysis. The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.

How do I fix CVE-2017-7808?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-7808?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST