CVE-2026-39631Network attack vector

Authenticated service interruption via missing authorization

Published Apr 8, 2026 · Updated Apr 8, 2026

Missing authorization in UnlimitedWP WPSchoolPress 2.2.35 and earlier allows remote authenticated users to interrupt the plugin service. Patchstack has not published the affected endpoint or function, the protected operation it exposes, or the authorization check that is missing. Administrative privileges are required, and the CNA's published impact is limited to service interruption.

CVSS severity4.9
Medium
EPSS probability0.28%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in UnlimitedWP WPSchoolPress 2.2.35 and earlier allows remote authenticated users to interrupt the plugin service. Patchstack has not published the affected endpoint or function, the protected operation it exposes, or the authorization check that is missing. Administrative privileges are required, and the CNA's published impact is limited to service interruption.

The record

CVE
CVE-2026-39631
Published
Apr 8, 2026
Updated
Apr 8, 2026
Vendor
WPSchoolPress Team
Product
WPSchoolPress
Classifications
CWE-862, CAPEC-180, T1499.004
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Apr 8, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=2.2.35

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

WPSchoolPress Team · WPSchoolPressversion=0 <=2.2.35

Published CVSS scores

4.9CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
4.9PatchstackCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
CAPEC-180Exploiting Incorrectly Configured Access Control Security Levels
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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