---
title: "CVE-2026-91829: Subscribe to Comments WordPress plugin - Reflected XSS"
description: "Subscribe to Comments WordPress plugin < 2.3.3 contains a reflected XSS caused by improper validation of a parameter reflected into a link target, letting unauthenticated attackers execute scripts via crafted URLs, exploit requires victim to click the crafted URL."
url: https://panop.io/threat-heartbeat/CVE-2026-91829/
---

# CVE-2026-91829 Subscribe to Comments WordPress plugin - Reflected XSS

Subscribe to Comments WordPress plugin < 2.3.3 contains a reflected XSS caused by improper validation of a parameter reflected into a link target, letting unauthenticated attackers execute scripts via crafted URLs, exploit requires victim to click the crafted URL.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.16% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-91829)

## Details

Type

Reflected XSS

Impact

Reflected XSS

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Published

11 October 2026

Updated

15 October 2026

Weakness

[CWE-79](https://cwe.mitre.org/data/definitions/79.html)

## Vendor fix

Update to version 2.3.3 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-91829](https://nvd.nist.gov/vuln/detail/CVE-2026-91829)
- [https://wpscan.com/vulnerability/1ed0314d-9871-4914-bb9c-ff894ea4c400/](https://wpscan.com/vulnerability/1ed0314d-9871-4914-bb9c-ff894ea4c400/)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)