What is the CVSS score of EUVD-2025-17489?

EUVD-2025-17489 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Wordpress Plugin are affected by EUVD-2025-17489?

CVE-2025-31022 is a critical authentication bypass in PayU India's payment platform (versions <3.8.8) that allows unauthenticated attackers to gain unauthorized access to payment and customer data…. A patch is available.

How to fix or mitigate EUVD-2025-17489?

Within 24 hours: Verify your PayU India deployment version and confirm whether it is below 3.8.8; contact PayU support to confirm patch availability and deployment timeline. Within 7 days: Apply vendor-released patch to PayU India platform to version 3.8.8 or later in a controlled environment with testing; implement network-level monitoring for suspicious authentication attempts to the PayU API endpoints. Within 30 days: Conduct full audit of payment processing logs for unauthorized access between vulnerability discovery and patch application; notify customers if unauthorized access to payment data is confirmed; review and harden API authentication controls across all payment processing systems.

Wordpress Plugin EUVD-2025-17489

Q: How to fix or mitigate EUVD-2025-17489?

Within 24 hours: Verify your PayU India deployment version and confirm whether it is below 3.8.8; contact PayU support to confirm patch availability and deployment timeline. Within 7 days: Apply vendor-released patch to PayU India platform to version 3.8.8 or later in a controlled environment with testing; implement network-level monitoring for suspicious authentication attempts to the PayU API endpoints. Within 30 days: Conduct full audit of payment processing logs for unauthorized access between vulnerability discovery and patch application; notify customers if unauthorized access to payment data is confirmed; review and harden API authentication controls across all payment processing systems.

| CVE-2025-31022 CRITICAL

Authentication Bypass Using an Alternate Path or Channel (CWE-288)

2025-06-09 audit@patchstack.com

WordPress Authentication Bypass Wordpress Plugin

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Re-analysis Queued

Apr 23, 2026 - 15:42 vuln.today

cvss_changed

Analysis Updated

Apr 16, 2026 - 05:55 EUVD-patch-fix

executive_summary

Re-analysis Queued

Apr 16, 2026 - 05:29 backfill_euvd_patch

patch_released

Patch available

Apr 16, 2026 - 05:29 EUVD

3.8.8

EUVD ID Assigned

Mar 14, 2026 - 19:21 euvd

EUVD-2025-17489

Analysis Generated

Mar 14, 2026 - 19:21 vuln.today

CVE Published

Jun 09, 2025 - 16:15 nvd

CRITICAL 9.8

DescriptionCVE.org

Authentication Bypass Using an Alternate Path or Channel vulnerability in PayU PayU India allows Authentication Abuse.This issue affects PayU India: from n/a before 3.8.8.

AnalysisAI

CVE-2025-31022 is an authentication bypass vulnerability in PayU India's payment processing platform (versions before 3.8.8) that allows attackers to bypass authentication mechanisms via an alternate path or channel, granting unauthorized access to sensitive payment and customer data. With a critical CVSS score of 9.8 and network-based attack vector requiring no privileges or user interaction, this vulnerability poses an immediate and severe threat to all PayU India users and their customers' payment information. Active exploitation status and public disclosure details should be verified through CISA KEV database and PayU's official security advisories.

Technical ContextAI

This vulnerability exploits CWE-288 (Authentication Using an Alternate Path or Channel), a class of flaws where authentication controls are bypassed by accessing the target system through an unprotected or less-protected alternate pathway. In the context of PayU India (a payment gateway service), this likely involves: (1) API endpoints that lack proper authentication validation, (2) alternative authentication channels (webhook callbacks, backend API calls) that don't enforce the same security controls as primary authentication, or (3) logical flaws in session management or token validation. The affected product is PayU India's payment processing platform (CPE identification: vendor=payu, product=payu_india or similar). The vulnerability exists in versions prior to 3.8.8, indicating the authentication flaw was introduced in an earlier release and patched in the 3.8.8 release cycle.

RemediationAI

Immediate Patch: Upgrade PayU India to version 3.8.8 or later immediately. This is a critical remote authentication bypass with CVSS 9.8—patch deployment should occur within hours, not days.; priority: CRITICAL Vendor Advisory: Consult PayU's official security advisory and patch release notes for version 3.8.8. Verify patch contents address CWE-288 authentication channel validation. (PayU) Interim Mitigation (if patching is delayed): Implement network-level restrictions: (1) WAF rules to block suspicious authentication attempts or alternate-path access patterns, (2) API rate limiting on authentication endpoints, (3) monitor for anomalous session creation or privilege escalation, (4) enforce multi-factor authentication (MFA) where supported by PayU platform, (5) segment payment processing infrastructure to limit lateral movement. Detection & Response: Review PayU access logs and audit trails for unauthorized authentication or account access attempts prior to patching. Monitor payment transaction logs for anomalies post-compromise. Implement SIEM rules to detect CWE-288 attack patterns (multiple auth attempts, alternate-path access). Validation: After patching, verify that authentication controls are enforced consistently across all API endpoints and channels. Conduct security testing to confirm alternate-path authentication bypass is resolved.