CVE-2021-40373

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-09-10 · updated 2026-06-17
Weakness: CWE-94

Description

playSMS before 1.4.5 allows Arbitrary Code Execution by entering PHP code at the #tabs-information-page of core_main_config, and then executing that code via the index.php?app=main&inc=core_welcome URI.

Affected products

playSMS: before 1.4.5 — fixed in 1.4.5

How to fix

Upgrade to a fixed version: playSMS 1.4.5. Check the vendor advisory for mitigations.

References

https://github.com/maikroservice/CVE-2021-40373
https://playsms.org/2021/09/04/playsms-1-4-5-released/
https://github.com/maikroservice/CVE-2021-40373
https://playsms.org/2021/09/04/playsms-1-4-5-released/

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