CVE-2026-14995
The Autoptimize plugin for WordPress is vulnerable to Stored Cross-Site Scripting via REQUEST_URI Path in all versions up to, and including, 3.1.15.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires the Critical CSS feature to be active with a valid API key configured, as this is the precondition for unauthenticated frontend requests to trigger queue entries via ao_ccss_enqueue().
Published:Oct 1, 2026
Last Modified:Oct 1, 2026
EPS:Oct 1, 2026
EPSS Score:
CVSS Score:7.2
Affected Products
Vendor
Product
Action
Vendor
Optimizingmatters
Product
Autooptimize
Optimizingmatters
Autooptimize
Vendor
Wordpress-extensions
Product
Autoptimize
Wordpress-extensions
Autoptimize
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
