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CVE-2018-5176
The JSON Viewer displays clickable hyperlinks for strings that are parseable as URLs, including "javascript:" links. If a JSON file…
Medium6.1EPSS 1.4%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
Description
The JSON Viewer displays clickable hyperlinks for strings that are parseable as URLs, including "javascript:" links. If a JSON file contains malicious JavaScript script embedded as "javascript:" links, users may be tricked into clicking and running this code in the context of the JSON Viewer. This can allow for the theft of cookies and authorization tokens which are accessible to that context. This vulnerability affects Firefox < 60.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 1.4% · top 27% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
- JSON Viewer script injection
- CWE-20 (opens in a new tab)All about CWE-20 and its CVEs
Affected products
References (5)
- https://www.mozilla.org/security/advisories/mfsa2018-11/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1040896 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- USN-3645-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=1442840 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 104139 (opens in a new tab)vdb-entryx_refsource_BIDx_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-2018-5176)Record last updated .