CVE-2026-3353 Details
Description
The Comment SPAM Wiper plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'API Key' setting in all versions up to, and including, 1.2.1. This is due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Administrator-level access 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.
A stored cross-site scripting vulnerability has been identified in the Comment SPAM Wiper plugin for WordPress, affecting all versions through 1.2.1. The issue arises from inadequate input sanitization and output escaping, allowing authenticated attackers with Administrator-level access to inject arbitrary scripts into pages. These scripts execute when a user accesses the compromised page. This vulnerability is present only in multi-site installations where unfiltered_html has been disabled.
No known patch is available. Users are advised to review the vulnerability details and consider uninstalling the affected plugin.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Mar 21, 2026CISA-ADP
Assessed Mar 23, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://plugins.trac.wordpress.org/browser/comment-spam-wiper/tags/1.2.1/admin.php#L87 | [email protected] | Broken LinkSource CodeVendor |
| https://plugins.trac.wordpress.org/browser/comment-spam-wiper/trunk/admin.php#L87 | [email protected] | Broken LinkSource CodeVendor |
| https://www.wordfence.com/threat-intel/vulnerabilities/id/cdffbef4-5462-49b2-a97e-6a497147bc41?source=cve | [email protected] | AdvisoryRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Comment SPAM Wiper | All versions |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Mar 21, 2026 | New CVE Received | [email protected] |