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Simple Banner vulnerabilities
Simple Banner has 6 known vulnerabilities in this database. The most recent published record is dated 22 Oct 2025.
- Known vulnerabilities
- 6
- Active installs
- 50,000+
- Latest version
- 3.3.2
- Last updated
- 21 Aug 2026
- Most recent
- 22 Oct 2025
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Cross-site scripting (XSS) CVE-2025-12033 | Medium 4.4 | Up to 3.0.10 | Fixed in a later version (latest 3.3.2) | 22 Oct 2025 |
| Cross-site scripting (XSS) CVE-2024-13898 | Medium 4.4 | Up to 3.0.5 | Fixed in a later version (latest 3.3.2) | 4 Apr 2025 |
| Cross-site scripting (XSS) CVE-2024-12769 | Low 3.5 | Before 3.0.4 | Fixed in 3.0.4 | 25 Mar 2025 |
| Cross-site scripting (XSS) CVE-2022-2515 | Medium 6.4 | Before 2.12.0 | Fixed in 2.12.0 | 6 Sep 2022 |
| Cross-site scripting (XSS) CVE-2022-0446 | Medium 4.8 | Before 2.12.0 | Fixed in 2.12.0 | 22 Aug 2022 |
| Cross-site scripting (XSS) CVE-2021-24574 | Medium 4.8 | Before 2.10.4 | Fixed in 2.10.4 | 23 Aug 2021 |
Read the published descriptions
- CVE-2025-12033, 22 Oct 2025
- 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. CVE record
- CVE-2024-13898, 4 Apr 2025
- 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 admin settings in all versions up to, and including, 3.0.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, 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. CVE record
- CVE-2024-12769, 25 Mar 2025
- The Simple Banner WordPress plugin before 3.0.4 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup). CVE record
- CVE-2022-2515, 6 Sep 2022
- The Simple Banner plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `pro_version_activation_code` parameter in versions up to, and including, 2.11.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, including those without administrative capabilities when access is granted to those users, to inject arbitrary web scripts in page that will execute whenever a user role having access to "Simple Banner" accesses the plugin's settings. CVE record
- CVE-2022-0446, 22 Aug 2022
- The Simple Banner WordPress plugin before 2.12.0 does not properly sanitize its "Simple Banner Text" Settings allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed. CVE record
- CVE-2021-24574, 23 Aug 2021
- The Simple Banner WordPress plugin before 2.10.4 does not sanitise and escape one of its settings, allowing high privilege users such as admin to use Cross-Site Scripting payload even when the unfiltered_html capability is disallowed. CVE record
What to do if you run Simple Banner
If you run Simple Banner, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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