WebinarIgnition: Critical Blind SQL Injection CVE-2026-40797
The National Vulnerability Database (NVD) has detailed CVE-2026-40797, a critical SQL Injection vulnerability affecting Saleswonder LLC’s WebinarIgnition. Specifically, this is a Blind SQL Injection flaw, rated with a CVSS score of 9.3, making it a severe threat. The vulnerability is present in WebinarIgnition versions up to and including 4.08.253.
This type of vulnerability, categorized as CWE-89, allows an unauthenticated attacker to inject malicious SQL queries into a web application. Blind SQL Injection means attackers can extract data from the database or manipulate its contents, even without directly seeing the output of their queries. They achieve this by observing subtle changes in application behavior or response times, making detection more challenging.
For defenders, the implications are straightforward: this is a direct path to data compromise. An attacker can potentially exfiltrate sensitive user data, application configurations, or even gain a foothold for further system compromise. Given the ‘Network’ attack vector and ‘None’ privileges required, this is a remotely exploitable flaw that demands immediate attention.
What This Means For You
- If your organization uses Saleswonder LLC WebinarIgnition, you need to check your version immediately. Patch to a version beyond 4.08.253, or if no patch is available, implement strong web application firewall (WAF) rules to detect and block SQL injection attempts. Audit logs for any suspicious activity indicating database enumeration or data exfiltration.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-40797: WebinarIgnition Blind SQL Injection Attempt
title: CVE-2026-40797: WebinarIgnition Blind SQL Injection Attempt
id: scw-2026-05-05-ai-1
status: experimental
level: critical
description: |
Detects attempts to exploit the Blind SQL Injection vulnerability (CVE-2026-40797) in WebinarIgnition by looking for common SQL injection payloads within the URI query string. This is a critical detection for initial access via this vulnerability.
author: SCW Feed Engine (AI-generated)
date: 2026-05-05
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-40797/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri-query|contains:
- "' OR '1'='1'"
- "' OR 1=1 --"
- "' AND '1'='2'"
- "' UNION SELECT"
- "' OR SLEEP("
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-40797 | SQLi | Saleswonder LLC WebinarIgnition |
| CVE-2026-40797 | SQLi | WebinarIgnition version 4.08.253 and earlier |
| CVE-2026-40797 | SQLi | CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 05, 2026 at 10:16 UTC |
This content was AI-rewritten and enriched by Shimi's Cyber World based on the original source. All intellectual property rights remain with the original author.
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