CVE-2026-12757: CWE-94 Improper Control of Generation of Code ('Code Injection') in icegram Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress
The The Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 5.9.27. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.
AI Analysis
Technical Summary
CVE-2026-12757 is a CWE-94 code injection vulnerability in the Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress. The plugin improperly controls the generation of code by allowing unauthenticated users to execute arbitrary shortcodes due to lack of validation before calling do_shortcode. This affects all versions up to and including 5.9.27.
Potential Impact
An unauthenticated attacker can execute arbitrary shortcodes within the WordPress environment, potentially leading to limited confidentiality and integrity impacts. The CVSS score of 6.5 reflects a medium severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impacts on confidentiality and integrity but not availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch information is currently available. Until a patch is released, users should consider restricting access or disabling the vulnerable functionality if possible.
CVE-2026-12757: CWE-94 Improper Control of Generation of Code ('Code Injection') in icegram Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress
Description
The The Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 5.9.27. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-12757 is a CWE-94 code injection vulnerability in the Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress. The plugin improperly controls the generation of code by allowing unauthenticated users to execute arbitrary shortcodes due to lack of validation before calling do_shortcode. This affects all versions up to and including 5.9.27.
Potential Impact
An unauthenticated attacker can execute arbitrary shortcodes within the WordPress environment, potentially leading to limited confidentiality and integrity impacts. The CVSS score of 6.5 reflects a medium severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impacts on confidentiality and integrity but not availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch information is currently available. Until a patch is released, users should consider restricting access or disabling the vulnerable functionality if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-06-19T20:15:20.756Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a9ebe31acd9273b49b4b758
Added to database: 09/07/2026, 13:37:53 UTC
Last enriched: 09/07/2026, 13:52:55 UTC
Last updated: 09/08/2026, 03:14:43 UTC
Views: 17
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