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Modern Events Calendar EUVDEUVD-2026-60770

| CVE-2026-73339 CRITICAL
SQL Injection (CWE-89)
2026-08-18 Patchstack GHSA-3h3p-q6m4-jq5x
9.3
CVSS 3.1 · Vendor: Patchstack
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Severity by source

Vendor (Patchstack) PRIMARY
9.3 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
vuln.today AI
7.5 HIGH

Unauthenticated network SQLi with trivial complexity gives AV:N/AC:L/PR:N/UI:N; impact is data disclosure so C:H, with no confirmed integrity or availability effect (I:N/A:N) and no evidenced scope change.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Aug 18, 2026 - 15:10 vuln.today
Patch available
Aug 18, 2026 - 15:02 EUVD
CVE Published
Aug 18, 2026 - 14:00 cve.org
CRITICAL 9.3

DescriptionCVE.org

Unauthenticated SQL Injection in Modern Events Calendar < 7.35.0 versions.

AnalysisAI

SQL injection in the Modern Events Calendar WordPress plugin (versions prior to 7.35.0 by Webnus Inc.) allows unauthenticated remote attackers to inject arbitrary SQL through user-supplied input, enabling extraction of sensitive database contents such as user credentials and secrets. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) confirms this is remotely reachable with no authentication or user interaction, making it a high-priority patch. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify WordPress site running Modern Events Calendar <7.35.0
Delivery
Send crafted request with SQL payload
Exploit
Injection executes in database query
Execution
Extract user credentials and secrets
Impact
Reuse data for account takeover

Vulnerability AssessmentAI

Exploitation The affected system must be running WordPress with the Modern Events Calendar plugin (Webnus) at a version below 7.35.0, with the vulnerable plugin endpoint reachable over the network. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a genuine priority rather than an inflated high-CVSS finding. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated attacker sends a crafted HTTP request to a vulnerable Modern Events Calendar endpoint with malicious SQL embedded in a parameter, causing the plugin to execute attacker-controlled queries against the WordPress database. Because no authentication or user interaction is required (AV:N/AC:L/PR:N/UI:N), the attacker can dump user records and password hashes at scale using automated tooling. …
Remediation Patch available per vendor advisory: upgrade the Modern Events Calendar plugin to version 7.35.0 or later, which is the first release outside the vulnerable range (affected is <7.35.0). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, identify all WordPress installations running Modern Events Calendar plugin versions prior to 7.35.0 and prioritize systems based on sensitivity level. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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EUVD-2026-60770 vulnerability details – vuln.today

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