---
id: "CVE-2026-114531"
kind: "vulnerability"
aliases: ["CVE-2026-114531"]
title: "Drupal Swiper formatter: stored XSS via unescaped input in pages"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "other"
products: []
ecosystems: []
tags: ["cms", "drupal", "other", "swiper-formatter"]
not_affected_if: ["fixed-version", "no-swiper-formatter"]
published_at: "2026-10-30T04:18:11+00:00"
first_seen_at: "2026-10-30T04:28:37+00:00"
updated_at: "2026-10-30T04:31:05+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-114531", "first_seen_at": "2026-10-30T04:28:37+00:00"}]
---

# Drupal Swiper formatter: stored XSS via unescaped input in pages

The Swiper formatter module for Drupal has a stored cross-site scripting flaw, so attacker-supplied content saved on a page can run script in other visitors' browsers. The sources list affected versions 0.0.0 through 2.1.2 and 3.0.1 through 3.1.0.

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

## How to check

- Check the installed Swiper formatter version in the Drupal project (for example with `drush pm:list` or the Extend page) and compare it to the affected ranges.

## Fix

- Move to a Swiper formatter release newer than `2.1.2` on the 2.x line or newer than `3.1.0` on the 3.x line; the sources do not name the exact fixed versions.

## Timeline

- 2026-10-30T04:28:37+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-114531

## From the sources

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Swiper formatter allows Stored XSS. This issue affects Swiper formatter versions: from 0.0.0 to 2.1.2, from 3.0.1 to 3.1.0.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_