CVE-2026-14557 in SoftMarket Plugin
Summary
by MITRE • 08/03/2026
The SoftMarket — Digital Marketplace WordPress plugin through 1.0.0 does not properly validate an authentication token in one branch of its email-verification flow, allowing unauthenticated attackers to obtain a valid session as any verified user by supplying only that user's ID.
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Analysis
by VulDB Data Team • 08/03/2026
The vulnerability exists within the SoftMarket Digital Marketplace WordPress plugin version 1.0.0 and earlier, where the email verification mechanism contains a critical authentication flaw that undermines the security of user sessions. This issue stems from insufficient validation of authentication tokens during the email verification process, specifically in one code branch that handles session establishment for verified users.
The technical flaw manifests when an unauthenticated attacker can exploit a lack of proper token verification by simply providing a valid user ID within the email verification flow. This allows the malicious actor to obtain a legitimate session as any verified user without possessing the corresponding authentication credentials or tokens. The vulnerability essentially bypasses the intended authentication controls that should prevent unauthorized access to user accounts, creating a path for privilege escalation and unauthorized account takeover.
From an operational perspective, this vulnerability presents a severe risk to user data integrity and system security. Attackers can leverage this flaw to impersonate any verified user within the marketplace, potentially accessing sensitive information, modifying user preferences, or conducting fraudulent transactions. The impact extends beyond individual user accounts to compromise the overall trust and security posture of the digital marketplace platform, particularly affecting e-commerce operations where user authentication is critical for transactional integrity.
The vulnerability aligns with CWE-287 which addresses improper authentication issues in software systems, specifically targeting weak session management and authentication token validation. From an attack framework perspective, this weakness maps to ATT&CK technique T1078.004 for valid accounts and T1566 for credential harvesting through social engineering or exploitation of authentication flaws. The issue represents a classic case of insufficient input validation where the system fails to properly verify the authenticity of user requests before granting session access.
Organizations should implement immediate mitigations including patching to the latest plugin version, implementing additional token validation checks in the email verification flow, and strengthening session management protocols. Security measures should include mandatory multi-factor authentication for verified users, enhanced monitoring of session creation events, and regular security audits of authentication mechanisms. Additionally, developers should adopt defensive programming practices such as principle of least privilege, proper input sanitization, and comprehensive authentication token validation to prevent similar vulnerabilities in future implementations.
This vulnerability demonstrates the critical importance of robust authentication controls in web applications, particularly in commerce platforms where user trust is paramount. The issue highlights how seemingly minor flaws in authentication flows can create significant security risks when not properly addressed through comprehensive security testing and validation procedures. Organizations must prioritize authentication security as a fundamental component of their overall cybersecurity strategy to prevent unauthorized access and protect user data integrity across all platform components.