CVE-2026-120467
Received Received - Intake

Authenticated Subscriber Manipulation in AcyMailing

Publication date: 2026-11-12

Last updated on: 2026-11-12

Assigner: Joomla! Project

Description
Joomla / WordPress Extension - acymailing.com - Subscriber identity not bound to the record acted upon in AcyMailing 1.0.0 - 11.1.1 - An authenticated user of any privilege level can subscribe or unsubscribe any other subscriber to or from any mailing list of the site.

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Meta Information

Published
2026-11-12
Last Modified
2026-11-12
Generated
2026-11-12
AI Q&A
2026-11-12
EPSS Evaluated
N/A
NVD
CVE-2026-120467
EUVD
EUVD-2026-124610

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
acymailing acymailing to 11.1.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-639 The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

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Executive Summary

This vulnerability in AcyMailing 1.0.0 to 11.1.1 allows an authenticated user of any privilege level to subscribe or unsubscribe any other subscriber to or from any mailing list on the site without proper authorization.

Detection Guidance

To detect this vulnerability, check for unauthorized changes to subscriber lists in AcyMailing. Review logs for unusual subscription or unsubscription activities, especially from low-privilege users. Verify if any user can modify other subscribers' records without proper authorization.

Impact Analysis

An attacker could manipulate mailing lists by adding or removing subscribers without consent, leading to unauthorized changes in communications, potential data exposure, or disruption of legitimate subscriber access.

Compliance Impact

This vulnerability could violate data protection regulations like GDPR or HIPAA by enabling unauthorized modifications to subscriber data, potentially leading to privacy breaches or non-compliance with consent requirements.

Mitigation Strategies

Update AcyMailing to the latest version beyond 11.1.1 to patch the subscriber identity binding issue. Review user permissions to ensure only authorized actions are permitted. Monitor mailing list changes for unauthorized modifications.

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