Back
CVE-2018-5112
Development Tools panels of an extension are required to load URLs for the panels as relative URLs from the extension manifest file but…
High7.5EPSS 1.9%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.9% · top 20% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Extension development tools panel can open a non-relative URL in the panel
- CWE-552 (opens in a new tab)All about CWE-552 and its CVEs
Affected products
References (5)
- 1040270 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=1425224 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3544-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 102786 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.mozilla.org/security/advisories/mfsa2018-02/ (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-5112)Record last updated .