What is the CVSS score of CVE-2025-40639?

CVE-2025-40639 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: 0.0%.

Which versions of PHP are affected by CVE-2025-40639?

A critical SQL injection vulnerability (CVE-2025-40639, CVSS 9.8) in Eventobot allows attackers to manipulate or exfiltrate entire databases without authentication.

How to fix or mitigate CVE-2025-40639?

Within 24 hours: Disable the '/assets/php/calculate_discount.php' endpoint or restrict access via network segmentation; implement WAF rules to block malicious 'promo_send' parameter payloads; assess if Eventobot processes sensitive data. Within 7 days: Conduct database access logs review for signs of exploitation; deploy input validation and parameterized query fixes if internal resources available; notify relevant stakeholders and document remediation status. Within 30 days: Monitor vendor for patch release and apply immediately upon availability; perform security assessment of all Eventobot instances; consider evaluating alternative solutions if patch timeline extends beyond acceptable risk tolerance.

PHP CVE-2025-40639

CRITICAL

SQL Injection (CWE-89)

2026-03-09 cve-coordination@incibe.es

PHP SQLi Eventobot

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

Analysis Generated

Mar 12, 2026 - 21:56 vuln.today

CVE Published

Mar 09, 2026 - 10:16 nvd

CRITICAL 9.8

DescriptionCVE.org

A SQL injection vulnerability has been found in Eventobot. This vulnerability allows an attacker to retrieve, create, update and delete databases through the 'promo_send' parameter in the '/assets/php/calculate_discount.php'.

AnalysisAI

SQL injection in Eventobot event management application allows unauthenticated attackers to perform complete database operations including data retrieval, creation, update, and deletion.