CVE-2026-19435Network attack vector

Authenticated restricted-post disclosure via unchecked capabilities

Published Aug 21, 2026 · Updated Aug 21, 2026

Information disclosure in Inisev Duplicate Post before 1.5.6 allows remote authenticated users to read restricted post content and passwords. The published record does not identify the vulnerable function; it states that the post-data return path omits a capability check before returning content, metadata, and post passwords. A delegated WordPress role is required, exposing private and draft posts owned by other users without allowing content modification.

CVSS severity2.7
Low
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Inisev Duplicate Post before 1.5.6 allows remote authenticated users to read restricted post content and passwords. The published record does not identify the vulnerable function; it states that the post-data return path omits a capability check before returning content, metadata, and post passwords. A delegated WordPress role is required, exposing private and draft posts owned by other users without allowing content modification.

The record

CVE
CVE-2026-19435
Published
Aug 21, 2026
Updated
Aug 21, 2026
Vendor
Yoast
Product
Yoast Duplicate Post
Classifications
CWE-200, T1213
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 21, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 21, 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 <1.5.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Yoast · Yoast Duplicate Postversion=0 <1.5.6

Published CVSS scores

2.7CISA ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/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-200Exposure of Sensitive Information to an Unauthorized Actor
T1213Data from Information Repositories

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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