What’s Vulnerable › Vulnerabilities

CVE-2023-2354: CHP Ads Block Detector <= 3.9.4 - Authenticated (Subscriber+) Stored Cross-Site Scripting

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-31 · updated 2026-06-17
• Weakness: CWE-79

Description

The CHP Ads Block Detector plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings reachable though an AJAX action in versions up to, and including, 3.9.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• sureshchand12a CHP Ads Block Detector: through 3.9.4

References

• https://plugins.trac.wordpress.org/changeset/2920522/chp-ads-block-detector
• https://plugins.trac.wordpress.org/changeset/2922313/chp-ads-block-detector
• https://plugins.trac.wordpress.org/changeset/2926660/chp-ads-block-detector
• https://www.wordfence.com/threat-intel/vulnerabilities/id/6f8514c9-0e11-4e26-ba0b-1d08a990b56c?source=cve
• https://plugins.trac.wordpress.org/changeset/2920522/chp-ads-block-detector
• https://plugins.trac.wordpress.org/changeset/2922313/chp-ads-block-detector
• https://plugins.trac.wordpress.org/changeset/2926660/chp-ads-block-detector
• https://www.wordfence.com/threat-intel/vulnerabilities/id/6f8514c9-0e11-4e26-ba0b-1d08a990b56c?source=cve

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