CVE-2022-4940Network attack vector

Unauthorized membership access via unchecked AJAX actions

Published Apr 5, 2023 · Updated Apr 8, 2026

Missing authorization in WCFM Membership 2.10.0 and earlier allows remote attackers to read and modify membership data through AJAX requests. Multiple WordPress AJAX action handlers accept unauthenticated requests without capability checks before reading or changing membership details, renewal data, and approval status. No account or user interaction is required, and the exposed actions can alter marketplace membership administration and disclose associated data.

CVSS severity6.5
Medium
EPSS probability1.08%
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 WCFM Membership 2.10.0 and earlier allows remote attackers to read and modify membership data through AJAX requests. Multiple WordPress AJAX action handlers accept unauthenticated requests without capability checks before reading or changing membership details, renewal data, and approval status. No account or user interaction is required, and the exposed actions can alter marketplace membership administration and disclose associated data.

The record

CVE
CVE-2022-4940
Published
Apr 5, 2023
Updated
Apr 8, 2026
Vendor
WC Lovers
Product
WCFM Membership
Classifications
CWE-862, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 5, 2023CVE 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

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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 <=2.10.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WC Lovers · WCFM Membershipversion=0 <=2.10.0

Published CVSS scores

7.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/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.

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

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1190Exploit Public-Facing Application

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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