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Vulnerability record · CVE-2023-28733 · published 30 March 2023

CVE-2023-28733: Acymailing improper input validation vulnerability

Acymailing · Acymailing

AnyMailing Joomla Plugin is vulnerable to stored cross site scripting (XSS) in templates and emails of AcyMailing, exploitable without authentication when access is granted to the campaign's creation on front-office. This issue affects AnyMailing Joomla Plugin Enterprise in versions below 8.3.0.

6.1 CVSS 3.1 Medium EPSS 0.37% · top 71.6% CWE-20 · Improper input validationCWE-116 · CWE-116
6.1CVSS 3.1 base score
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

AnyMailing Joomla Plugin is vulnerable to stored cross site scripting (XSS) in templates and emails of AcyMailing, exploitable without authentication when access is granted to the campaign's creation on front-office. This issue affects AnyMailing Joomla Plugin Enterprise in versions below 8.3.0.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.acymailing.com/change-log/ Release Notes
https://www.bugbounty.ch/advisories/CVE-2023-28733 Third Party Advisory
https://www.acymailing.com/change-log/ Release Notes
https://www.bugbounty.ch/advisories/CVE-2023-28733 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-28731Acymailing improper input validation vulnerabilityAnyMailing Joomla Plugin is vulnerable to unauthenticated remote code execution, when being granted access to the campaign's creation on front-office…EPSS 1.8%9.2CVE-2026-56292Acymailing sql injection vulnerabilityJoomla Extension - acymailing.com - SQL Injection in AcyMailing extension < 10.11.1 - A SQLi vulnerability in AcyMailing component < 10.11.1 for Joom…EPSS 1.4%8.8CVE-2024-7384Acymailing unrestricted file upload vulnerabilityThe AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to arbitrary file u…EPSS 0.96%7.5CVE-2023-28732Acymailing improper input validation vulnerabilityMissing access control in AnyMailing Joomla Plugin allows to list and access files containing sensitive information from the plugin itself and access…EPSS 0.63%6.1CVE-2023-41867Acymailing cross-site scripting vulnerabilityUnauth. Reflected Cross-Site Scripting (XSS) vulnerability in AcyMailing Newsletter Team AcyMailing plugin <= 8.6.2 versions.EPSS 0.38%6.1CVE-2023-39971Acymailing cross-site scripting vulnerabilityImproper Neutralization of Input During Web Page Generation vulnerability in AcyMailing Enterprise component for Joomla allows XSS. This issue affect…EPSS 0.40%6.1CVE-2021-24288Acymailing open redirect vulnerabilityWhen subscribing using AcyMailing, the 'redirect' parameter isn't properly sanitized. Turning the request from POST to GET, an attacker can craft a l…EPSS 1.9%5.3CVE-2023-39974Acymailing information exposure vulnerabilityExposure of Sensitive Information vulnerability in AcyMailing Enterprise component for Joomla. It allows unauthorized actors to get the number of sub…EPSS 0.51%

Source: NIST National Vulnerability Database (record CVE-2023-28733), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.