CVE-2026-16064Public exploitNetwork attack vector

Contributor-level content modification via object authorization bypass

Published Aug 2, 2026 · Updated Aug 2, 2026

Incorrect authorization in WPEvently before 5.3.7 allows remote authenticated users to alter arbitrary WordPress content. The mpwem_quick_edit_event AJAX handler checks only a global editing capability instead of verifying permission for the supplied post or page ID. Contributor-level access is sufficient to change titles and publication status for posts or pages the account does not own.

CVSS severity5.4
Medium
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in WPEvently before 5.3.7 allows remote authenticated users to alter arbitrary WordPress content. The mpwem_quick_edit_event AJAX handler checks only a global editing capability instead of verifying permission for the supplied post or page ID. Contributor-level access is sufficient to change titles and publication status for posts or pages the account does not own.

The record

CVE
CVE-2026-16064
Published
Aug 2, 2026
Updated
Aug 2, 2026
Vendor
MagePeople Team
Product
WPEvently
Classifications
CWE-863, T1565.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 2, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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 <5.3.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

MagePeople Team · WPEventlyversion=0 <5.3.7

Published CVSS scores

5.4GitHub Advisory DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

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.

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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 exploitPublished

Weakness, pattern, technique

CWE-863Incorrect Authorization
T1565.001Stored Data Manipulation

Public exploit references

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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