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CVE-2017-7808
A content security policy (CSP) "frame-ancestors" directive containing origins with paths allows for comparisons against those paths…
Medium5.3EPSS 0.82%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.82% · top 43% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
- CSP information leak with frame-ancestors containing paths
- CWE-200 (opens in a new tab)Other CVEs with CWE-200
- CWE-346 (opens in a new tab)Other CVEs with CWE-346
Affected products
Mozilla · Firefox
- affected unspecified – < 55
References (4)
- https://bugzilla.mozilla.org/show_bug.cgi?id=1367531 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 100373 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.mozilla.org/security/advisories/mfsa2017-18/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1039124 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_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-2017-7808)Record last updated .