WP-Ban ban-options.php toggle_checkbox cross site scripting
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A vulnerability, which was classified as problematic, has been found in WP-Ban. This issue affects the function toggle_checkbox of the file ban-options.php. The manipulation of the argument $_SERVER["HTTP_USER_AGENT"] leads to cross site scripting. The attack may be initiated remotely. The name of the patch is 13e0b1e922f3aaa3f8fcb1dd6d50200dd693fd76. It is recommended to apply a patch to fix this issue. The identifier VDB-216209 was assigned to this vulnerability.
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 |
|---|---|---|---|---|---|
| unspecified | WP-Ban | all versions | — | No fix listed | CNA |
- WP-Ban Vendorunspecified Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wp-ban_project:wp-ban:*:*:*:*:*:wordpress:*:* | before 2021-11-24 | Vulnerable | Wp-ban Project |
- cpe:2.3:a:wp-ban_project:wp-ban:*:*:*:*:*:wordpress:*:* Versions before 2021-11-24 Vulnerable ·Wp-ban Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-4252
- 2026-10-03 Alias added: GHSA-q9f9-65vf-f4jf
References
More Wp-ban Project Wp-ban vulnerabilities
- TI-2022-03901 WP-Ban < 1.69.1 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
- TI-2022-04232 WP-Ban ban-options.php cross site scripting CVSS 3.1MEDIUM 6.1
- TI-2014-05128 WP-Ban plugin before 1.6.4 for WordPress, when running in certain configurations, allows… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2021-4252 · CVE Program
- CVE-2021-4252 · NVD
- FIRST EPSS
- GHSA-q9f9-65vf-f4jf · 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