CVE-2024-39664Network attack vector

Unauthorized post fetching via missing nonce validation

Published Nov 1, 2024 · Updated Apr 28, 2026

Cross-site request forgery in YMC Filter 2.8.33 and earlier allows remote attackers to fetch updated posts via forged requests. The ymc_updated_posts function accepts the request without correct WordPress nonce validation. Exploitation requires an administrator to act on an attacker-controlled link, allowing only the post-fetch action documented publicly.

CVSS severity7.3
High
EPSS probability0.42%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in YMC Filter 2.8.33 and earlier allows remote attackers to fetch updated posts via forged requests. The ymc_updated_posts function accepts the request without correct WordPress nonce validation. Exploitation requires an administrator to act on an attacker-controlled link, allowing only the post-fetch action documented publicly.

The record

CVE
CVE-2024-39664
Published
Nov 1, 2024
Updated
Apr 28, 2026
Vendor
YMC
Product
YMC Filter
Classifications
CWE-862, CWE-352
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 1, 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=0 <=2.8.33
  2. Affected versionversion=n/a <=2.8.33 changes=[{"at":"2.8.34","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

YMC · YMC Filterversion=0 <=2.8.33; version=n/a <=2.8.33 changes=[{"at":"2.8.34","status":"unaffected"}]

Published CVSS scores

4.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
7.3PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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 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
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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