CVE-2018-5112

Name: CVE-2018-5112
Creator: NVD / NIST
Published: 2018-06-11T21:29:13.343+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.01%

Last modified Jun 17, 2026

CVE-2018-5112 is a vulnerability of currently unknown severity. Development Tools panels of an extension are required to load URLs for the panels as relative URLs from the extension manifest file but this requirement was not enforced in all instances. This could allow the development tools panel for the extension to load a URL that it should not be able to access, including potentially privileged pages. EPSS estimates a 2.01% chance of exploitation in the next 30 days.

Description

Development Tools panels of an extension are required to load URLs for the panels as relative URLs from the extension manifest file but this requirement was not enforced in all instances. This could allow the development tools panel for the extension to load a URL that it should not be able to access, including potentially privileged pages. This vulnerability affects Firefox < 58.

Metrics

EPSS Probability

2.01%

78.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-552

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	<= 57.0.4
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	17.10

References

http://www.securityfocus.com/bid/102786Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040270Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1425224Issue Tracking, Permissions Required
https://usn.ubuntu.com/3544-1/Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-02/Vendor Advisory
http://www.securityfocus.com/bid/102786Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040270Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1425224Issue Tracking, Permissions Required
https://usn.ubuntu.com/3544-1/Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-02/Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2018-5112?

How severe is CVE-2018-5112?

Severity scoring for CVE-2018-5112 is pending analysis. The EPSS model estimates a 2.01% probability of exploitation in the next 30 days.

How do I fix CVE-2018-5112?

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-2018-5112?

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

Scan your code now

Source: NVD / NIST