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CVE-2025-3841— wix-incubator jam Jinja2 Template jam.py special elements used in a template engine

Quick assessment

Affected
wix-incubator jam
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

jam是Wix Incubator开源的一个应用程序。 jam存在安全漏洞，该漏洞源于Jinja2模板引擎特殊元素中和不当。

CVSS 3.3 · Low EPSS 0.45% · P38

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-3841

Vulnerability Information
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Vulnerability Title
wix-incubator jam Jinja2 Template jam.py special elements used in a template engine
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1336
Source: CVE Program / CVE List V5
Vulnerability Title
jam 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
jam是Wix Incubator开源的一个应用程序。 jam存在安全漏洞，该漏洞源于Jinja2模板引擎特殊元素中和不当。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
wix-incubator jam e87a6fd85cf8fb5ff37b62b2d68f917219d07ae9 -

II. Public POCs for CVE-2025-3841

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III. Intelligence Information for CVE-2025-3841

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Vendor Advisories for CVE-2025-3841 (2)

Proof of Concept for CVE-2025-3841 (1)

IV. Related Vulnerabilities

Same weakness: CWE-1336