Email Subscribers & Newsletters <= 5.9.27 - Unauthenticated Arbitrary Shortcode Execution via Subscriber Name Field
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-94.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| icegram | Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress | up to 5.9.27 | — | No fix listed | CNA |
- Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress Vendoricegram Affected up to 5.9.27 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-12757
- 2026-10-03 Alias added: GHSA-c2fp-562c-5p2q
References
Other 9
- https://www.wordfence.com/threat-intel/vulnerabilities/id/6d9b4448-2b63-4704-ac9e-c4db4784638c?source=cve
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.26/lite/includes/workflows/actions/class-es-action-send-email.php#L188
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.26/lite/includes/classes/class-es-mailer.php#L1133
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.26/lite/includes/classes/class-es-handle-subscription.php#L165
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.26/lite/includes/classes/class-es-handle-subscription.php#L260
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.22/lite/includes/workflows/actions/class-es-action-send-email.php#L188
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.22/lite/includes/classes/class-es-mailer.php#L1133
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.22/lite/includes/classes/class-es-handle-subscription.php#L165
- https://plugins.trac.wordpress.org/browser/email-subscribers/tags/5.9.22/lite/includes/classes/class-es-handle-subscription.php#L260
More icegram vulnerabilities
- TI-2024-02684 SQL injection in icegram Email Subscribers & Newsletters – Email Marketing, Post… CVSS 3.1CRITICAL 9.8
- TI-2019-14600 There was a flaw in the WordPress plugin, Email Subscribers & Newsletters before 4.3.1… CVSS 3.1CRITICAL 9.8
- TI-2022-03650 Icegram Express < 5.5.1 - Subscriber+ SQLi CVSS 3.1HIGH 8.8
- TI-2026-01336 Email Subscribers & Newsletters <= 5.9.16 - Authenticated (Administrator+) SQL Injection via 'workflow_ids' Parameter CVSS 3.1MEDIUM 6.5
- TI-2024-11421 Email Subscribers < 5.7.44 - Admin+ SQL Injection CVSS 3.1MEDIUM 6.5
- TI-2019-14413 The WordPress plugin, Email Subscribers & Newsletters, before 4.2.3 had a flaw that… CVSS 3.1MEDIUM 5.3
Sources
- CVE-2026-12757 · CVE Program
- CVE-2026-12757 · NVD
- FIRST EPSS
- GHSA-c2fp-562c-5p2q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences