CVE-2026-19251Network attack vector

Unauthenticated comment disclosure via omitted profile-activity checks

Published Sep 2, 2026 · Updated Sep 2, 2026

Information exposure in Ultimate Member before 2.13.0 allows remote attackers to read unapproved comments through profile activity. The profile-activity response returns comment content without checking WordPress approval status or whether the associated member profile is private. No authentication or user interaction is required; exposure is limited to comment content that moderation or profile privacy should withhold.

CVSS severity5.3
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

Information exposure in Ultimate Member before 2.13.0 allows remote attackers to read unapproved comments through profile activity. The profile-activity response returns comment content without checking WordPress approval status or whether the associated member profile is private. No authentication or user interaction is required; exposure is limited to comment content that moderation or profile privacy should withhold.

The record

CVE
CVE-2026-19251
Published
Sep 2, 2026
Updated
Sep 2, 2026
Vendor
Ultimate Member Group Ltd
Product
Ultimate Member
Classifications
CWE-200
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 2, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 2, 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 <2.13.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Ultimate Member Group Ltd · Ultimate Memberversion=0 <2.13.0

Published CVSS scores

5.3CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/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.

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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-200Exposure of Sensitive Information to an Unauthorized Actor

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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