AcyMailing <= 10.10.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'alignment' Attribute
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- 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-79.
Summary
The AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'alignment' attribute in all versions up to, and including, 10.10.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| acyba | AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress | up to 10.10.2 | — | No fix listed | CNA |
- AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress Vendoracyba Affected up to 10.10.2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-12170
- 2026-10-03 Alias added: GHSA-8j9m-p63v-r54h
References
Other 6
- https://www.wordfence.com/threat-intel/vulnerabilities/id/4fd76fbc-22df-4071-a2ae-9c9ac9cdbc57?source=cve
- https://plugins.trac.wordpress.org/browser/acymailing/tags/10.10.2/back/Core/wordpress/form.php#L292
- https://plugins.trac.wordpress.org/browser/acymailing/tags/10.10.2/back/Core/wordpress/form.php#L322
- https://plugins.trac.wordpress.org/browser/acymailing/tags/10.10.2/WpInit/Gutenberg.php#L202
- https://plugins.trac.wordpress.org/browser/acymailing/tags/10.10.2/WpInit/Gutenberg.php#L124
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3597432%40acymailing&new=3597432%40acymailing
More acyba vulnerabilities
- TI-2023-20863 Extension - acymailing.com - RCE in AcyMailing component for Joomla 6.7.0-8.5.0 CVSS 3.1CRITICAL 9.8
- TI-2018-06612 CSV Injection (aka Excel Macro Injection or Formula Injection) exists in the export… CVSS 3.0HIGH 8.8
- TI-2018-06611 CSV Injection (aka Excel Macro Injection or Formula Injection) exists in the export… CVSS 3.0HIGH 8.8
- TI-2024-06844 AcyMailing <= 9.7.2 - Authenticated (Subscriber+) Arbitrary File Upload via acym_extractArchive Function CVSS 3.1HIGH 8.8
- TI-2026-54189 Path traversal in acyba AcyMailing – An Ultimate Newsletter Plugin and Marketing… CVSS 3.1HIGH 7.5
- TI-2026-12981 Improper privilege management in acyba AcyMailing – An Ultimate Newsletter Plugin and… CVSS 3.1HIGH 8.8
Sources
- CVE-2026-12170 · CVE Program
- CVE-2026-12170 · NVD
- FIRST EPSS
- GHSA-8j9m-p63v-r54h · 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