CVE-2023-6867The timing of a button click causing a popup to disappear was approximately the same length as the anti-clickjacking delay on permission…
- 6.1MediumCVSS base score
- 0.68%Exploitation in 30 daysEPSS · top 47% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mozilla
- 4 days later
· 4 days later
Published
- 14 months later
· 14 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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 (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Affected products
- affected unspecified – < 115.6
- affected unspecified – < 121
References
References6
- 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)
- EUVD EUVD-2023-59071 (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://cveledger.app/cve/CVE-2023-6867)Record last updated .