PT-2026-20275 · WordPress · Membership Plugin – Restrict Content

Miguel Santareno · Published 2026-02-18 · Updated 2026-02-18 · CVE-2026-1304

Positive Technologies (AI Summary)

CVSS v3.1

4.4

Medium

Base vector

AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Membership Plugin – Restrict Content for WordPress versions prior to 3.2.19

Description The software is susceptible to Stored Cross-Site Scripting through multiple invoice settings fields. Insufficient input sanitization and output escaping allow authenticated attackers with administrator-level access or higher to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the injected page.

Recommendations Update to version 3.2.19 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-1304

Affected Products

Membership Plugin – Restrict Content

References · 17

• https://nvd.nist.gov/vuln/detail/CVE-2026-1304 · Security Note
• https://plugins.trac.wordpress.org/browser/restrict-content/tags/3.2.16/core/includes/admin/settings/settings.php#L914 · Note
• https://plugins.trac.wordpress.org/browser/restrict-content/tags/3.2.16/core/includes/admin/settings/settings.php#L932 · Note
• https://twitter.com/VulmonFeeds/status/2024059216579740004 · Twitter Post
• https://plugins.trac.wordpress.org/browser/restrict-content/tags/3.2.16/core/includes/admin/settings/settings.php#L941 · Note
• https://plugins.trac.wordpress.org/browser/restrict-content/tags/3.2.16/core/includes/admin/settings/settings.php#L950 · Note
• https://plugins.trac.wordpress.org/browser/restrict-content/tags/3.2.16/core/templates/invoice.php#L281 · Note
• https://twitter.com/CVEnew/status/2024011995323007028 · Twitter Post
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3448964%40restrict-content&new=3448964%40restrict-content&sfp_email=&sfph_mail= · Note
• https://plugins.trac.wordpress.org/browser/restrict-content/tags/3.2.16/core/templates/invoice.php#L271 · Note
• https://plugins.trac.wordpress.org/browser/restrict-content/tags/3.2.16/core/includes/admin/settings/settings.php#L971 · Note
• https://plugins.trac.wordpress.org/browser/restrict-content/tags/3.2.16/core/includes/admin/settings/settings.php#L923 · Note
• https://t.me/CVEtracker/44931 · Telegram Post
• https://wordfence.com/threat-intel/vulnerabilities/id/cdd563b7-a1b9-4d99-9a6e-c8acf9dda619?source=cve · Note
• https://plugins.trac.wordpress.org/browser/restrict-content/tags/3.2.16/core/includes/admin/settings/settings.php#L896 · Note