CVE-2019-5431 is a callback verification flaw in the "Login with Twitter" component of Twitter Kit for iOS versions 3.0 to 3.4.0, stemming from an incomplete fix for CVE-2017-0911. This vulnerability allows an attacker to provide alternate credentials by forging the authentication response passed via the custom URL scheme, potentially associating a Twitter account with a third-party service. Rated Medium (CVSS 5.4), it has a network attack vector with low complexity, impacting confidentiality and integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.0, <= 3.4.0CPE matchmatch criteria | cpe:2.3:a:twitter:twitter_kit:*:*:*:*:*:iphone_os:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.