What’s Vulnerable › Vulnerabilities

CVE-2023-51219

• Severity: critical (CVSS 9.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-06-03 · updated 2026-06-17
• Weakness: CWE-79

Description

A deep link validation issue in KakaoTalk 10.4.3 allowed a remote adversary to direct users to run any attacker-controlled JavaScript within a WebView. The impact was further escalated by triggering another WebView that leaked its access token in a HTTP request header. Ultimately, this access token could be used to take over another user's account and read her/his chat messages.

References

• https://news.ycombinator.com/item?id=40776880
• https://stulle123.github.io/posts/kakaotalk-account-takeover/
• https://news.ycombinator.com/item?id=40776880
• https://stulle123.github.io/posts/kakaotalk-account-takeover/

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