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TI-2019-12242 Aliases CVE-2019-16263GHSA-9495-4rpc-2jcg

The Twitter Kit framework through 3.4.2 for iOS does not properly validate the…

Priority LOW 34CWE-295Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Spoofing
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-295.

Summary

The Twitter Kit framework through 3.4.2 for iOS does not properly validate the api.twitter.com SSL certificate. Although the certificate chain must contain one of a set of pinned certificates, there are certain implementation errors such as a lack of hostname verification. NOTE: this is an end-of-life product.

Why it matters now

EPSS 0.01025 63rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:twitter:twitter_kit:*:*:*:*:*:iphone_os:*:*up to 3.4.2VulnerableTwitter
  • cpe:2.3:a:twitter:twitter_kit:*:*:*:*:*:iphone_os:*:* Versions up to 3.4.2 Vulnerable ·Twitter

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-16263
  2. 2026-10-03 Alias added: GHSA-9495-4rpc-2jcg

References

Exploit 1

Advisory 2

  • TI-2019-03840 Cross-site request forgery in Twitter Kit for iOS CVSS 3.1MEDIUM 5.4
  • TI-2017-00858 Improper authentication in Twitter Kit for iOS CVSS 3.0MEDIUM 5.4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences