CVE-2025-28938Network attack vector

Authenticated service disruption via missing capability check

Published Mar 11, 2025 · Updated Apr 28, 2026

Missing authorization in Björn Ahrens WP Performance Pack 2.5.3 and earlier allows remote authenticated users to reduce service availability. Published records identify a missing capability check but do not name the affected function or disclose which privileged action becomes reachable. Subscriber-level access is required, and the published assessment reports availability impact without data exposure or modification.

CVSS severity4.3
Medium
EPSS probability0.39%
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 Björn Ahrens WP Performance Pack 2.5.3 and earlier allows remote authenticated users to reduce service availability. Published records identify a missing capability check but do not name the affected function or disclose which privileged action becomes reachable. Subscriber-level access is required, and the published assessment reports availability impact without data exposure or modification.

The record

CVE
CVE-2025-28938
Published
Mar 11, 2025
Updated
Apr 28, 2026
Vendor
Björn Ahrens
Product
WP Performance Pack
Classifications
CWE-862, CAPEC-180
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 11, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=0 <=2.5.3 changes=[{"at":"2.5.4","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Björn Ahrens · WP Performance Packversion=0 <=2.5.3 changes=[{"at":"2.5.4","status":"unaffected"}]

Published CVSS scores

4.3PatchstackCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
CAPEC-180Exploiting Incorrectly Configured Access Control Security Levels

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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