CVE-2023-51692Network attack vector

Unauthorized review reminders via missing capability checks

Published Feb 28, 2024 · Updated Apr 28, 2026

Missing authorization in CusRev Customer Reviews for WooCommerce 5.38.1 and earlier allows remote authenticated users to send review reminders. Multiple CR_Manual functions omit a WordPress capability check before dispatching manual review-reminder messages. Subscriber-level access is sufficient, and exploitation sends unauthorized messages to customers without disclosing data or interrupting service.

CVSS severity4.3
Medium
EPSS probability0.34%
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 CusRev Customer Reviews for WooCommerce 5.38.1 and earlier allows remote authenticated users to send review reminders. Multiple CR_Manual functions omit a WordPress capability check before dispatching manual review-reminder messages. Subscriber-level access is sufficient, and exploitation sends unauthorized messages to customers without disclosing data or interrupting service.

The record

CVE
CVE-2023-51692
Published
Feb 28, 2024
Updated
Apr 28, 2026
Vendor
CusRev
Product
Customer Reviews for WooCommerce
Classifications
CWE-862
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 28, 2024CVE 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=n/a <=5.38.1 changes=[{"at":"5.38.2","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

CusRev · Customer Reviews for WooCommerceversion=n/a <=5.38.1 changes=[{"at":"5.38.2","status":"unaffected"}]

Published CVSS scores

4.3GitHub Advisory DatabaseCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
5.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
4.3PatchstackCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization

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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