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TI-2025-03391 Aliases CVE-2025-3841GHSA-q438-4f7x-vcx4

wix-incubator jam Jinja2 Template jam.py special elements used in a template engine

Priority MEDIUM 55CWE-1336Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-1336.

Summary

A vulnerability, which was classified as problematic, was found in wix-incubator jam up to e87a6fd85cf8fb5ff37b62b2d68f917219d07ae9. This affects an unknown part of the file jam.py of the component Jinja2 Template Handler. The manipulation of the argument config['template'] leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00451 39th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
wix-incubatorjame87a6fd85cf8fb5ff37b62b2d68f917219d07ae9—No fix listedCNA
  • jam Vendorwix-incubator Affected e87a6fd85cf8fb5ff37b62b2d68f917219d07ae9 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wix:jam:*:*:*:*:*:*:*:*before 2018-03-27VulnerableWix
  • cpe:2.3:a:wix:jam:*:*:*:*:*:*:*:* Versions before 2018-03-27 Vulnerable ·Wix

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-3841
  2. 2026-10-03 Alias added: GHSA-q438-4f7x-vcx4

References

Sources