---
id: "CVE-2026-125854"
page: "https://infrastack.ai/live/CVE-2026-125854"
kind: "vulnerability"
aliases: ["CVE-2026-125854"]
title: "Unbounce Landing Pages: stored XSS lets attackers run scripts on pages"
severity: "high"
cvss: 7.1
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["landing-pages", "marketing-sites", "unbounce", "vendor"]
not_affected_if: ["unknown"]
published_at: "2026-11-13T15:17:43+00:00"
first_seen_at: "2026-11-13T15:46:19+00:00"
updated_at: "2026-11-13T15:48:32+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-125854", "first_seen_at": "2026-11-13T15:46:19+00:00"}]
exploit_sources: []
---

# Unbounce Landing Pages: stored XSS lets attackers run scripts on pages

Link for people: https://infrastack.ai/live/CVE-2026-125854 (this .md is for agents)

Unbounce Landing Pages up to version 1.1.6 has a stored cross-site scripting flaw, so input saved in a page is not properly sanitized. An attacker who can put content into a page can run scripts in visitors' browsers.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check whether your site or tool uses the Unbounce Landing Pages integration at version `1.1.6` or earlier; the sources do not name the file or setting to inspect.

## Fix

- Unbounce Landing Pages through `1.1.6`: a fixed version is not stated in the sources.

## Timeline

- 2026-11-13T15:46:19+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-125854

## From the sources

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Unbounce Unbounce Landing Pages unbounce allows Stored XSS.This issue affects Unbounce Landing Pages: from n/a through 1.1.6.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_