Description
An intent redirection issue was doscovered in Sina Weibo Android SDK 4.2.7 (com.sina.weibo.sdk.share.WbShareTransActivity), any unexported Activities could be started by the com.sina.weibo.sdk.share.WbShareTransActivity.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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LazyBear8372/CVE-2020-23349_Lab ★ 0 · Aug 10, 2026
Educational Android lab for CVE-2020-23349 in Sina Weibo SDK 4.2.7
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.