CVE-2017-5463 json
Android intents can be used to launch Firefox for Android in reader mode with a user specified URL.
published 2018-06-11 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-14567
- cvss
- 5.3
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
Android intents can be used to launch Firefox for Android in reader mode with a user specified URL. This allows an attacker to spoof the contents of the addressbar as displayed to users. Note: This attack only affects Firefox for Android. Other operating systems are not affected. This vulnerability affects Firefox < 53.
Patch / fix
Exploit prediction
1.44% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Affected products
- Mozilla Firefox
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
bugzilla.mozilla.org
/show_bug.cgi?id=1338867
issue-tracking, patch, vendor-advisory
-
mozilla.org
/security/advisories/mfsa2017-10/
vendor-advisory
-
securityfocus.com
/bid/97940
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1038320
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2017-5463
- NVD CVE-2017-5463
Fencer Intel 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.