CVE-2021-40373

CRITICAL
9.8
CVSS Score
Published: September 10, 2021 at 01:33 PM UTC
Updated: June 17, 2026 at 04:06 AM UTC
1 product affected across 1 vendorPlaysms

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Severity
CRITICAL9.8
Exploit prediction
EPSS 5%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.4.5
Affected range stops below 1.4.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

x_refsource_MISCExploitThird Party Advisory
https://github.com/maikroservice/CVE-2021-40373
x_refsource_CONFIRMRelease NotesVendor Advisory
https://playsms.org/2021/09/04/playsms-1-4-5-released/

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-94

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