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CVE-2023-6867
The timing of a button click causing a popup to disappear was approximately the same length as the anti-clickjacking delay on permission…
Medium6.1EPSS 0.68%
- Published
- Updated
- Reserved
- Assigned by
- mozilla
Description
The timing of a button click causing a popup to disappear was approximately the same length as the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant button would be about to appear. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.68% · top 47% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
- Clickjacking permission prompts using the popup transition
- CWE-1021 (opens in a new tab)All about CWE-1021 and its CVEs
Affected products
- affected unspecified – < 115.6
- affected unspecified – < 121
References (6)
- https://bugzilla.mozilla.org/show_bug.cgi?id=1863863 (opens in a new tab)x_transferred
- https://www.mozilla.org/security/advisories/mfsa2023-54/ (opens in a new tab)x_transferred
- https://www.mozilla.org/security/advisories/mfsa2023-56/ (opens in a new tab)x_transferred
- https://www.debian.org/security/2023/dsa-5581 (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html (opens in a new tab)x_transferred
- https://security.gentoo.org/glsa/202401-10 (opens in a new tab)x_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-2023-6867)Record last updated .