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6.1
Wagtail Content Management System: TableBlock XSS Vulnerability
CVE-2026-28222
GHSA-p5cm-246w-84jm
Summary
A security flaw in Wagtail's TableBlock feature allows an attacker with access to the Wagtail admin to inject malicious code into the website, potentially allowing them to perform actions with the victim's credentials. This issue only affects sites using the TableBlock feature and has been fixed in versions 6.3.8, 7.0.6, 7.2.3, and 7.3.1. To stay secure, update your Wagtail installation to one of these patched versions.
What to do
- Update wagtail to version 6.3.8.
- Update wagtail to version 7.0.6.
- Update wagtail to version 7.2.3.
- Update wagtail to version 7.3.1.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| – | wagtail | <= 6.3.8 | 6.3.8 |
| – | wagtail | > 6.4rc1 , <= 7.0.6 | 7.0.6 |
| – | wagtail | > 7.1rc1 , <= 7.2.3 | 7.2.3 |
| – | wagtail | > 7.3rc1 , <= 7.3.1 | 7.3.1 |
| torchbox | wagtail | <= 6.3.8 | – |
| torchbox | wagtail | > 6.4 , <= 7.0.6 | – |
| torchbox | wagtail | > 7.1 , <= 7.2.3 | – |
| torchbox | wagtail | 7.3 | – |
| torchbox | wagtail | 7.3 | – |
Original title
Wagtail is an open source content management system built on Django. Prior to versions 6.3.8, 7.0.6, 7.2.3, and 7.3.1, a stored cross-site scripting (XSS) vulnerability exists on rendering TableBlo...
Original description
Wagtail is an open source content management system built on Django. Prior to versions 6.3.8, 7.0.6, 7.2.3, and 7.3.1, a stored cross-site scripting (XSS) vulnerability exists on rendering TableBlock blocks within a StreamField. A user with access to create or edit pages containing TableBlock StreamField blocks is able to set specially-crafted class attributes on the block which run arbitrary JavaScript code when the page is viewed. When viewed by a user with higher privileges, this could lead to performing actions with that user's credentials. The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin, and only affects sites using TableBlock. This issue has been patched in versions 6.3.8, 7.0.6, 7.2.3, and 7.3.1.
nvd CVSS3.1
6.1
Vulnerability type
CWE-79
Cross-site Scripting (XSS)
- https://github.com/wagtail/wagtail/commit/0375094bb57ce6e527005c2bb2e871dd20bca0...
- https://github.com/wagtail/wagtail/commit/4620423cb22c5253391a0f04178089c1162f6e...
- https://github.com/wagtail/wagtail/commit/575c0d7c18c7716ed73f7a3c2720ad75956f0a...
- https://github.com/wagtail/wagtail/commit/605a5569686565e035313222e1bc2f9802fbc5...
- https://github.com/wagtail/wagtail/releases/tag/v6.3.8
- https://github.com/wagtail/wagtail/releases/tag/v7.0.6
- https://github.com/wagtail/wagtail/releases/tag/v7.2.3
- https://github.com/wagtail/wagtail/releases/tag/v7.3.1
- https://github.com/wagtail/wagtail/security/advisories/GHSA-p5cm-246w-84jm
- https://nvd.nist.gov/vuln/detail/CVE-2026-28222
- https://github.com/advisories/GHSA-p5cm-246w-84jm
Published: 5 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026