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WP Event Solution EUVDEUVD-2026-57956

| CVE-2026-28173 HIGH
Missing Authorization (CWE-862)
2026-08-13 Patchstack GHSA-v9pr-m9rf-hfcw
7.1
CVSS 3.1 · Vendor: Patchstack
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Severity by source

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

Network-accessible WordPress endpoint requires low-privilege customer account (PR:L); arbitrary deletion drives high availability impact with no confidentiality exposure and minor integrity impact.

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

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
High

Lifecycle Timeline

2
Analysis Generated
Aug 13, 2026 - 14:54 vuln.today
CVE Published
Aug 13, 2026 - 13:36 cve.org
HIGH 7.1

DescriptionCVE.org

Customer Arbitrary Content Deletion in WP Event SOlution <= 4.1.19 versions.

AnalysisAI

WP Event Solution WordPress plugin versions up to and including 4.1.19 allows authenticated users with customer-level privileges to delete arbitrary content due to missing authorization controls (CWE-862). The vulnerability is network-exploitable with low privilege requirements and no user interaction, yielding high availability impact through unrestricted content deletion. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation Exploitation requires the attacker to hold a valid WordPress account with at least customer-level privileges (PR:L per CVSS vector). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 7.1 (High) vector AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H characterizes this as a straightforward, low-complexity network attack requiring only a valid customer-level account. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update WP Event Solution to the version that addresses this vulnerability - the exact patched release version is not independently confirmed from available input data and must be verified via the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/wp-event-solution/vulnerability/wordpress-wp-event-solution-plugin-4-1-19-arbitrary-content-deletion-vulnerability. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, conduct a site inventory to identify WordPress installations using WP Event Solution and document their current versions. …

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

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EUVD-2026-57956 vulnerability details – vuln.today

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