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🛡️ CVE-2024-27290 — docassemble

🟡 CVSS 6.1 — Medium ✅ No Known Exploit CWE-79 NVD
6.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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](https://github.com/jhpyle/docassemble/commit/4801ac7ff7c90df00ac09523077930cdb6dea2aa) 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](https://github.com/jhpyle/docassemble/issues)
  • Join the [Slack channel](https://join.slack.com/t/docassemble/shared_invite/zt-2cspzjo9j-YyE7SrLmi5muAvnPv~Bz~A)
  • Email us at [email protected]

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity low, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: Required — someone has to click, open or visit something.
  • Scope: Changed — a successful attack reaches components beyond the vulnerable one.
  • Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
  • Integrity impact: Low — limited, and the attacker does not choose what is affected.
  • Availability impact: None.

Weakness class

CVE-2024-27290 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2024-27290 is recorded against 2 packages.

  • docassemble (fixed in 1.4.97)
  • docassemble-webapp (fixed in 1.4.97)

Timeline and source

Published on 21 March 2024 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
github.com
github.com
github.com

Other advisories for this package

docassemble has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-79: Cross-site Scripting (XSS)) in other software:

Details

Severity MEDIUM
CVSS Score 6.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE CWE-79
Public Exploit ✅ No
Source NVD
Published 2024-03-21
Updated 2026-08-20
Modified 2026-06-17

Affected Packages

Software From version Fixed in
docassemble — 1.4.97
docassemble-webapp — 1.4.97

Similar Threats

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