CVE-2026-66636: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Marcin Wise Chat
Contributor Cross Site Scripting (XSS) in Wise Chat <= 3.4 versions.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-79, affects Wise Chat software versions up to 3.4. It allows a contributor-level user to inject malicious scripts due to improper input sanitization during web page generation. The CVSS 3.1 base score is 6.5, reflecting network attack vector, low attack complexity, required privileges, user interaction, and impacts on confidentiality, integrity, and availability. No known exploits are reported in the wild, and no vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation could allow an attacker with contributor privileges to execute arbitrary scripts in the context of other users, potentially leading to data disclosure, modification, or denial of service. The vulnerability impacts confidentiality, integrity, and availability to a limited extent as indicated by the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider restricting contributor privileges or applying web application firewall rules to detect and block malicious input patterns related to XSS.
CVE-2026-66636: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Marcin Wise Chat
Description
Contributor Cross Site Scripting (XSS) in Wise Chat <= 3.4 versions.
CVSS v3.1
Score 6.5medium
Affected software
Marcin
Wise Chat
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-79, affects Wise Chat software versions up to 3.4. It allows a contributor-level user to inject malicious scripts due to improper input sanitization during web page generation. The CVSS 3.1 base score is 6.5, reflecting network attack vector, low attack complexity, required privileges, user interaction, and impacts on confidentiality, integrity, and availability. No known exploits are reported in the wild, and no vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation could allow an attacker with contributor privileges to execute arbitrary scripts in the context of other users, potentially leading to data disclosure, modification, or denial of service. The vulnerability impacts confidentiality, integrity, and availability to a limited extent as indicated by the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider restricting contributor privileges or applying web application firewall rules to detect and block malicious input patterns related to XSS.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-07-27T14:00:34.306Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a846a48c6e8be033250a658
Added to database: 08/18/2026, 14:20:56 UTC
Last enriched: 08/18/2026, 15:20:57 UTC
Last updated: 10/02/2026, 02:46:05 UTC
Views: 26
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