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Vulnerability record · CVE-2021-24288 · published 17 May 2021

CVE-2021-24288: Acymailing open redirect vulnerability

Acymailing · Acymailing

When subscribing using AcyMailing, the 'redirect' parameter isn't properly sanitized. Turning the request from POST to GET, an attacker can craft a link containing a potentially malicious landing page and send it to the victim.

6.1 CVSS 3.1 Medium EPSS 1.9% · top 20.7% CWE-601 · Open redirect
6.1CVSS 3.1 base score, v2 5.8
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

When subscribing using AcyMailing, the 'redirect' parameter isn't properly sanitized. Turning the request from POST to GET, an attacker can craft a link containing a potentially malicious landing page and send it to the victim.

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://wpscan.com/vulnerability/56628862-1687-4862-9ed4-145d8dfbca97 ExploitThird Party Advisory
https://wpscan.com/vulnerability/56628862-1687-4862-9ed4-145d8dfbca97 ExploitThird 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-2023-28733Acymailing improper input validation vulnerabilityAnyMailing Joomla Plugin is vulnerable to stored cross site scripting (XSS) in templates and emails of AcyMailing, exploitable without authentication…EPSS 0.37%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-2021-24288), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.