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Software intelligence

Add Expires Headers vulnerabilities

5 tracked advisories · slug add-expires-headers

Important: Add Expires Headers appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works

Tracked advisories

5

Latest advisory

30 April 2026

CISA KEV matches

0

In this WordPress feed

WordPress slug

add-expires-headers

Plugin

What this means for Add Expires Headers

This catalog lists 5 known advisories affecting Add Expires Headers. The most recent was published on 30 April 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.

Latest issues

  • Freemius <= 2.10.1 - Reflected DOM-Based Cross-Site Scripting via url Parameter

    May allow attackers to run scripts in visitors' browsers or hijack admin sessions.

    Published 30 April 2026

  • Add Expires Headers & Optimized Minify <= 3.2.0 - Missing Authorization

    This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.

    Published 9 January 2026

  • Freemius SDK <= 2.5.9 - Reflected Cross-Site Scripting via fs_request_get

    May allow attackers to run scripts in visitors' browsers or hijack admin sessions.

    Published 18 July 2023

Vulnerability types

  • Cross-site scripting2
  • CSRF1

Authentication (inferred from titles)

  • Unauthenticated0
  • Authenticated0
  • Unspecified5

Advisory history

Known Add Expires Headers advisories published by month.

All advisories

Check whether your installed version is affected

SiteRespond Defence matches your installed Add Expires Headers version against this catalog when the Defence plugin is connected to your WordPress site.