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Vulnerabilities

Vulnerability · CVE-2025-12033

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 Script

Published Oct 22, 2025 · catalog updated Apr 8, 2026 · Simple Banner – Easily add multiple Banners/Bars/Notifications/Announcements to the top or bottom of your website

Last checked Oct 30, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-12033. EPSS is 0.19%. Act only if a listed version of Simple Banner – Easily add multiple Banners/Bars/Notifications/Announcements to the top or bottom of your website is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.19%
Remediation
Vendor / distro source
Affected products
vendor rpetersen29 Simple Banner – Easily add multiple Banners/Bars/Notifications/Announcements to the top or bottom of your website 0 ≤3.0.10

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 unfiltere

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor rpetersen29 Simple Banner – Easily add multiple Banners/Bars/Notifications/Announcements to the top or bottom of your website 0 ≤3.0.100 ≤3.0.10

How to fix CVE-2025-12033

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-12033. EPSS is 0.19%. Act only if a listed version of Simple Banner – Easily add multiple Banners/Bars/Notifications/Announcements to the top or bottom of your website is installed.

Which versions are affected?

Compare what you have installed with rpetersen29 Simple Banner – Easily add multiple Banners/Bars/Notifications/Announcements to the top or bottom of your website 0 ≤3.0.10 0 ≤3.0.10. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.19%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 22, 2025 · EUVD

    Detected

    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 admini

  2. Apr 8, 2026 · EUVD

    Updated

    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 admini

Sources

  • CVE.orgVulnerability recordCVE-2025-12033

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-12033

    30-day exploitation probability 0.19%

    first.org
  • EUVDVulnerability recordEUVD-2025-35324

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 30, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 30, 2026
  • CVE.orgOct 24, 2026
  • EUVDOct 23, 2026