CVE-2026-102391: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in jetmonsters JetFormBuilder
Unauthenticated Cross Site Scripting (XSS) in JetFormBuilder <= 3.6.5.4 versions.
AI Analysis
Technical Summary
This vulnerability (CWE-79) in JetFormBuilder versions <= 3.6.5.4 enables unauthenticated attackers to perform cross-site scripting (XSS) attacks by exploiting improper neutralization of input during web page generation. The CVSS 3.1 score is 7.1, indicating high severity with network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and impacts on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can lead to execution of arbitrary scripts in the context of the affected web application, potentially resulting in data disclosure, modification, or disruption of service. The vulnerability affects confidentiality, integrity, and availability as indicated by the CVSS vector.
Mitigation Recommendations
No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should be cautious with untrusted input and consider temporary mitigations such as input validation or disabling vulnerable features if feasible.
CVE-2026-102391: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in jetmonsters JetFormBuilder
Description
Unauthenticated Cross Site Scripting (XSS) in JetFormBuilder <= 3.6.5.4 versions.
CVSS v3.1
Score 7.1high
Affected software
jetmonsters
JetFormBuilder
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-79) in JetFormBuilder versions <= 3.6.5.4 enables unauthenticated attackers to perform cross-site scripting (XSS) attacks by exploiting improper neutralization of input during web page generation. The CVSS 3.1 score is 7.1, indicating high severity with network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and impacts on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can lead to execution of arbitrary scripts in the context of the affected web application, potentially resulting in data disclosure, modification, or disruption of service. The vulnerability affects confidentiality, integrity, and availability as indicated by the CVSS vector.
Mitigation Recommendations
No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should be cautious with untrusted input and consider temporary mitigations such as input validation or disabling vulnerable features if feasible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-09-29T00:15:56.342Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6abd4b862a4e24523d52ad9f
Added to database: 09/30/2026, 17:48:54 UTC
Last enriched: 09/30/2026, 18:03:14 UTC
Last updated: 10/01/2026, 04:49:27 UTC
Views: 12
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