CVE-2024-26283 json
An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom…
published 2024-02-22 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-23554
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 20%
- public exploits
- 0
- none known
Summary
An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme. This vulnerability affects Firefox for iOS < 123.
Patch / fix
- Mozilla Firefox for iOS 123
- mozilla firefox 123
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Mozilla Firefox for iOS
- mozilla firefox
Classification
- Weakness
-
- CWE-83 Improper Neutralization of Script in Attributes in a Web Page
References
-
mozilla.org
/security/advisories/mfsa2024-08/
vendor-advisory
-
bugzilla.mozilla.org
/show_bug.cgi?id=1850158
issue-tracking
Sources
- CVE List CVE-2024-26283
- NVD CVE-2024-26283
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.