CVE-2023-51696Network attack vector

Unauthorized actions via cross-site request forgery

Published Feb 29, 2024 · Updated Apr 28, 2026

CSRF in CleanTalk Spam protection 6.20 and earlier allows remote attackers to trigger unwanted actions through a logged-in user. Published materials do not identify the affected request handler or disclose which request-validation operation is absent. Exploitation requires a logged-in privileged user to interact with attacker-controlled content; the documented consequence is unauthorized action with low integrity impact and no reported confidentiality or availability impact.

CVSS severity4.3
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

CSRF in CleanTalk Spam protection 6.20 and earlier allows remote attackers to trigger unwanted actions through a logged-in user. Published materials do not identify the affected request handler or disclose which request-validation operation is absent. Exploitation requires a logged-in privileged user to interact with attacker-controlled content; the documented consequence is unauthorized action with low integrity impact and no reported confidentiality or availability impact.

The record

CVE
CVE-2023-51696
Published
Feb 29, 2024
Updated
Apr 28, 2026
Vendor
CleanTalk
Product
Spam protection, Honeypot, Anti-Spam by CleanTalk
Classifications
CWE-352
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 29, 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 <=6.20 changes=[{"at":"6.21","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

CleanTalk · Spam protection, Honeypot, Anti-Spam by CleanTalkversion=n/a <=6.20 changes=[{"at":"6.21","status":"unaffected"}]

Published CVSS scores

4.3PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)

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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