CVE-2024-1803Network attack vector

Contributor PDF block insertion via missing authorization

Published May 23, 2024 · Updated Apr 8, 2026

Improper authorization in the EmbedPress PDF block through 3.9.12 allows remote authenticated users to insert PDF blocks into posts. Published records identify insufficient authorization validation on the PDF embed block but do not disclose the affected function or exact failed check. Contributor-level access is required, and the documented consequence is limited to inserting a PDF block rather than broader administrative control.

CVSS severity4.3
Medium
EPSS probability0.28%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authorization in the EmbedPress PDF block through 3.9.12 allows remote authenticated users to insert PDF blocks into posts. Published records identify insufficient authorization validation on the PDF embed block but do not disclose the affected function or exact failed check. Contributor-level access is required, and the documented consequence is limited to inserting a PDF block rather than broader administrative control.

The record

CVE
CVE-2024-1803
Published
May 23, 2024
Updated
Apr 8, 2026
Vendor
ReviewX Team
Product
EmbedPress
Classifications
CWE-285, CWE-863
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 23, 2024CVE 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 <=3.9.12

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

ReviewX Team · EmbedPressversion=0 <=3.9.12

Published CVSS scores

4.3WordfenceCVSS: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 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 exploitUnconfirmed

Weakness, pattern, technique

CWE-285Improper Authorization
CWE-863Incorrect 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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