CVE-2026-91829
Subscribe to Comments < 2.3.3 - Reflected XSS via 'ref' Parameter
- State
- Published
- Severity
- 7.1 High
- Published
- Oct 11, 2026
- Updated
- Oct 11, 2026
- Reserved
- Sep 15, 2026
Description
The Subscribe to Comments WordPress plugin before 2.3.3 does not properly validate a parameter before reflecting it into a link target, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting via a crafted URL against anyone who clicks it, including administrators.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.1 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L | CISA-ADP |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
Subscribe to CommentsUnknown |
|
References
- https://wpscan.com/vulnerability/1ed0314d-9871-4914-bb9c-ff894ea4c400/exploitvdb-entrytechnical-description
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