What’s Vulnerable › Vulnerabilities

CVE-2020-23653

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-01-13 · updated 2026-06-17
• Weakness: CWE-502

Description

An insecure unserialize vulnerability was discovered in ThinkAdmin versions 4.x through 6.x in app/admin/controller/api/Update.php and app/wechat/controller/api/Push.php, which may lead to arbitrary remote code execution.

Affected products

• ThinkAdmin: from 4.0 through 6.0

References

• https://github.com/zoujingli/ThinkAdmin/issues/238
• https://github.com/zoujingli/ThinkAdmin/issues/238

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