CVE-2024-8735: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in mailmunch MailMunch – Grow your Email List
The MailMunch – Grow your Email List plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.1.8. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
AI Analysis
Technical Summary
CVE-2024-8735 is a reflected cross-site scripting vulnerability in the MailMunch – Grow your Email List WordPress plugin, present in all versions up to 3.1.8. The issue arises from the use of the add_query_arg function without proper escaping of URL parameters, enabling injection of arbitrary web scripts. An unauthenticated attacker can exploit this by crafting a malicious URL and convincing a user to click it, causing the injected script to execute in the context of the affected site. This vulnerability is classified under CWE-79 and has a CVSS 3.1 base score of 6.1 (medium severity).
Potential Impact
Successful exploitation allows an attacker to execute arbitrary scripts in the context of the victim's browser session when they interact with a maliciously crafted URL. This can lead to limited confidentiality and integrity impacts, such as theft of user session data or manipulation of page content. There is no indication of availability impact. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when clicking on links related to the MailMunch plugin and consider disabling or removing the plugin if possible. Monitor vendor channels for updates regarding a security patch.
CVE-2024-8735: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in mailmunch MailMunch – Grow your Email List
Description
The MailMunch – Grow your Email List plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 3.1.8. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2024-8735 is a reflected cross-site scripting vulnerability in the MailMunch – Grow your Email List WordPress plugin, present in all versions up to 3.1.8. The issue arises from the use of the add_query_arg function without proper escaping of URL parameters, enabling injection of arbitrary web scripts. An unauthenticated attacker can exploit this by crafting a malicious URL and convincing a user to click it, causing the injected script to execute in the context of the affected site. This vulnerability is classified under CWE-79 and has a CVSS 3.1 base score of 6.1 (medium severity).
Potential Impact
Successful exploitation allows an attacker to execute arbitrary scripts in the context of the victim's browser session when they interact with a maliciously crafted URL. This can lead to limited confidentiality and integrity impacts, such as theft of user session data or manipulation of page content. There is no indication of availability impact. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when clicking on links related to the MailMunch plugin and consider disabling or removing the plugin if possible. Monitor vendor channels for updates regarding a security patch.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- Wordfence
- Date Reserved
- 2024-09-11T20:49:54.850Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 699f6b2fb7ef31ef0b54f1ba
Added to database: 2/25/2026, 9:35:43 PM
Last enriched: 4/9/2026, 8:31:07 AM
Last updated: 4/12/2026, 11:50:19 AM
Views: 12
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