---
id: CVE-2026-91073
title: >-
  The Subscribe Forms  WordPress plugin before 1.6.3 does not sanitise and
  escape one of its form settings before outputting it in a page, allowing
  authenticated users with the Author role and above to perform Stored
  Cross-Site Scripting a…
summary: >-
  The Subscribe Forms  WordPress plugin before 1.6.3 does not sanitise and
  escape one of its form settings before outputting it in a page, allowing
  authenticated users with the Author role and above to perform Stored
  Cross-Site Scripting a…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-79
product: Subscribe Forms
affected:
  - subscribe_forms >= 1.4.1 < 1.6.3
published: '2026-09-23'
updated: '2026-09-23'
sourceUpdated: '2026-09-23T18:12:32.050'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-91073'
references:
  - url: 'https://wpscan.com/vulnerability/50d0d5b6-2204-4af3-92d5-75085ce2f176/'
    label: contact@wpscan.com
tags:
  - nvd
  - cve.org
epss: 0.00235
epssPercentile: 0.12903
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-23T10:36:59.017689Z'
ingestedAt: '2026-09-23T06:17:57.900Z'
---

## Overview

The Subscribe Forms  WordPress plugin before 1.6.3 does not sanitise and escape one of its form settings before outputting it in a page, allowing authenticated users with the Author role and above to perform Stored Cross-Site Scripting attacks that execute in the browser of any visitor who views a page embedding the form, including logged-out visitors and administrators.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.