Simple Banner <= 3.0.10 - Authenticated (Admin+) Stored Cross-Site Scripting
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- 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 Simple Banner – Easily add multiple Banners/Bars/Notifications/Announcements to the top or bottom of your website plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'pro_version_activation_code' parameter in all versions up to, and including, 3.0.10 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
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 |
|---|---|---|---|---|---|
| rpetersen29 | Simple Banner – Easily add multiple Banners/Bars/Notifications/Announcements to the top or bottom of your website | up to 3.0.10 | — | No fix listed | CNA |
- Simple Banner – Easily add multiple Banners/Bars/Notifications/Announcements to the top or bottom of your website Vendorrpetersen29 Affected up to 3.0.10 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-12033
- 2026-10-03 Alias added: GHSA-r7j6-q72p-jrrr
References
More rpetersen29 vulnerabilities
- TI-2024-12918 Simple Banner <= 3.0.4 - Authenticated (Administrator+) Stored Cross-Site Scripting CVSS 3.1MEDIUM 4.4
Sources
- CVE-2025-12033 · CVE Program
- CVE-2025-12033 · NVD
- FIRST EPSS
- GHSA-r7j6-q72p-jrrr · 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