CVE-2026-89100CWE-79cross-site-scripting
CVE-2026-89100
Medium · published October 10, 2026
What it is
The Payment Plugins for Stripe WooCommerce plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via '#response' URL Fragment in all versions up to, and including, 4.0.17 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 that the 'Generic Errors' setting is unchecked, causing getErrorMessage() to return the raw Stripe error string unchanged rather than substituting a mapped safe message.
The record
Technical detail
- CVSS v3.1
- 6.1 · MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS v4.0
- Not supplied
- EPSS
- 0.00215 · 11.3th percentile
- Weakness
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Published
- 2026-10-10T11:16Z
References (6)
EPSS history
Timeline
11 OCT 03:32Z
EPSS moved — → 0%
epss
10 OCT 06:40Z
Payment Plugins for Stripe WooCommerce <= 4.0.17 - Reflected DOM-Based Cross-Site Scripting via '#response' URL Fragment
cvelistv5
10 OCT 06:40Z
Payment Plugins for Stripe WooCommerce <= 4.0.17 - Reflected DOM-Based Cross-Site Scripting via '#response' URL Fragment
cvelistv5