Docassemble HTML and javascript injection
Impact
A user could type HTML into a field, including the field for the user's name, and then that HTML could be displayed on the screen as HTML. The HTML can also contain <script> tags allowing JavaScript to execute on the page.
Patches
The vulnerability has been patched in version 1.4.97 of the master branch. The Docker image on docker.io has been patched.
Workarounds
If upgrading is not possible, manually apply the changes of 4801ac7 and restart the server (e.g., by pressing Save on the Configuration screen).
Credit
The vulnerability was discovered by Riyush Ghimire (@richighimi).
For more information
If you have any questions or comments about this advisory:
- Open an issue in docassemble
- Join the Slack channel
- Email us at jhpyle@gmail.com
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | docassemble-webapp | < 1.4.97 | 1.4.97 |
References
- https://github.com/jhpyle/docassemble/security/advisories/GHSA-pcfx-g2j2-f6f6
- https://nvd.nist.gov/vuln/detail/CVE-2024-27290
- https://github.com/jhpyle/docassemble/commit/4801ac7ff7c90df00ac09523077930cdb6dea2aa
- https://github.com/jhpyle/docassemble
- https://pypi.org/project/docassemble-webapp
- https://github.com/advisories/GHSA-pcfx-g2j2-f6f6
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Python (PyPI)
- Package
docassemble-webapp- Disclosed
- 29.02.2024
- Updated
- 11.10.2026 15:17
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-1311 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-pcfx-g2j2-f6f6 - CC BY 4.0
Vulnerability history: docassemble-webapp
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 3
- First → latest
- 02.2024 02.2024
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 2
Disclosures per year
- 2024: 3
- 2025: 0
- 2026: 0
-
Docassemble HTML and javascript injection this entry
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