How to fix 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.

Is PHP 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.

CVE-2025-40639

CRITICAL

2026-03-09 [email protected]

9.8

CVSS 3.1

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Description

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'.

Analysis

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

Technical Context

CWE-89 SQL injection enabling full database CRUD operations without authentication.

Affected Products

['Eventobot']

Remediation

Apply vendor patch. Use parameterized queries.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.0

CVSS: +49

POC: 0

CVE-2025-40639 vulnerability details – vuln.today

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CVE-2025-40639

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

Affected Products

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CVE-2025-40639

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

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External POC / Exploit Code