CVE-2026-28182
Deferred Deferred - Pending Action

Subscriber XSS in AcyMailing SMTP Newsletter <= 10.11.1

Publication date: 2026-08-13

Last updated on: 2026-08-13

Assigner: Patchstack

Description
Subscriber Cross Site Scripting (XSS) in AcyMailing SMTP Newsletter <= 10.11.1 versions.

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Meta Information

Published
2026-08-13
Last Modified
2026-08-13
Generated
2026-09-03
AI Q&A
2026-08-13
EPSS Evaluated
2026-09-02
NVD
CVE-2026-28182
EUVD
EUVD-2026-57961

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
acymailing acymailing to 10.11.1 (inc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This is a Subscriber Cross Site Scripting (XSS) vulnerability found in AcyMailing SMTP Newsletter versions up to and including 10.11.1. XSS allows attackers to inject malicious scripts into web pages viewed by other users. In this case, the vulnerability specifically affects subscriber functionality.

Detection Guidance

This vulnerability is specific to AcyMailing versions <= 10.11.1 and involves Subscriber Cross Site Scripting (XSS). Detection requires checking the installed version of AcyMailing and inspecting for XSS vulnerabilities in subscriber-facing inputs. No direct commands are provided in the context, but you should verify the AcyMailing version and test for XSS in web forms or email templates.

Impact Analysis

An attacker could exploit this to steal cookies, session tokens, or other sensitive information from users viewing the newsletter. They might also perform actions on behalf of users or deface the website. The impact depends on user privileges and data accessed.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR's data protection requirements. For HIPAA, it may risk exposure of protected health information. Organizations must address this to maintain compliance with data protection regulations.

Mitigation Strategies

Update AcyMailing SMTP Newsletter to a version higher than 10.11.1 to patch the Subscriber Cross Site Scripting (XSS) vulnerability.

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