What’s Vulnerable › Vulnerabilities

CVE-2020-8644: PlaySMS Server-Side Template Injection Vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2021-11-03
• EPSS: 86.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-02-05 · updated 2026-06-17
• Weakness: CWE-94

Description

PlaySMS before 1.4.3 does not sanitize inputs from a malicious string.

Affected products

• playSMS: before 1.4.3 — fixed in 1.4.3

How to fix

Upgrade to a fixed version: playSMS 1.4.3. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/157106/PlaySMS-index.php-Unauthenticated-Template-Injection-Code-Execution.html
• https://forum.playsms.org/t/playsms-1-4-3-has-been-released/2704
• https://playsms.org/2020/02/05/playsms-1-4-3-has-been-released/
• https://research.nccgroup.com/2020/02/11/technical-advisory-playsms-pre-authentication-remote-code-execution-cve-2020-8644/
• http://packetstormsecurity.com/files/157106/PlaySMS-index.php-Unauthenticated-Template-Injection-Code-Execution.html
• https://forum.playsms.org/t/playsms-1-4-3-has-been-released/2704
• https://playsms.org/2020/02/05/playsms-1-4-3-has-been-released/
• https://research.nccgroup.com/2020/02/11/technical-advisory-playsms-pre-authentication-remote-code-execution-cve-2020-8644/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-8644

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