---
id: CVE-2020-11001
aliases:
  - GHSA-v2wc-pfq2-5cm6
  - PYSEC-2020-152
title: Possible XSS attack in Wagtail
summary: Possible XSS attack in Wagtail
severity: medium
cvss: 5.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N'
vendor: wagtail
product: wagtail
ecosystem: pip
affected:
  - 'wagtail >= 1.9.0, < 2.7.2'
  - 'wagtail >= 2.8.0, < 2.8.1'
patched:
  - wagtail 2.7.2
  - wagtail 2.8.1
published: '2020-04-14'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T03:48:43.980839606Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-v2wc-pfq2-5cm6'
references:
  - url: 'https://github.com/wagtail/wagtail/security/advisories/GHSA-v2wc-pfq2-5cm6'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2020-11001'
  - url: >-
      https://github.com/wagtail/wagtail/commit/61045ceefea114c40ac4b680af58990dbe732389
  - url: >-
      https://github.com/pypa/advisory-database/tree/main/vulns/wagtail/PYSEC-2020-152.yaml
  - url: 'https://github.com/wagtail/wagtail/releases/tag/v2.8.1'
tags:
  - osv
  - pip
epss: 0.01273
epssPercentile: 0.68658
ingestedAt: '2026-07-08T18:25:53.049Z'
---

## Overview

### Impact
A cross-site scripting (XSS) vulnerability exists on the page revision comparison view within the Wagtail admin interface. A user with a limited-permission editor account for the Wagtail admin could potentially craft a page revision history that, when viewed by a user with higher privileges, could perform actions with that user's credentials. The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin.

### Patches
Patched versions have been released as Wagtail 2.7.2 (for the LTS 2.7 branch) and Wagtail 2.8.1 (for the current 2.8 branch).

### Workarounds
Site owners who are unable to upgrade to the new versions can disable the revision comparison view by adding the following URL route to the top of their project's `urls.py` configuration:

    from django.views.generic.base import RedirectView

    urlpatterns = [
        url(r'^admin/pages/(\d+)/revisions/compare/', RedirectView.as_view(url='/admin/')),
        # ...
    ]

### Acknowledgements
Many thanks to Vlad Gerasimenko for reporting this issue.

### For more information
If you have any questions or comments about this advisory:
* Visit Wagtail's [support channels](https://docs.wagtail.io/en/stable/support.html)
* Email us at [security@wagtail.io](mailto:security@wagtail.io) (if you wish to send encrypted email, the public key ID is `0x6ba1e1a86e0f8ce8`)

## Affected packages

- `wagtail >= 1.9.0, < 2.7.2`
- `wagtail >= 2.8.0, < 2.8.1`

## Remediation

Upgrade to a patched release:

- `wagtail 2.7.2`
- `wagtail 2.8.1`