Opencode
CVE-2025-65237
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 6.1 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.07%. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAIv1 – Mar 28, 2026
A reflected cross-site scripted (XSS) vulnerability in OpenCode Systems USSD Gateway OC Release: 5 allows attackers to execute arbitrary JavaScript in the context of a user's browser via injecting a. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A reflected cross-site scripted (XSS) vulnerability in OpenCode Systems USSD Gateway OC Release: 5 allows attackers to execute arbitrary JavaScript in the context of a user's browser via injecting a crafted payload. Affected products include: Opencode Ussd Gateway.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
A reflected cross-site scripted (XSS) vulnerability in OpenCode Systems USSD Gateway OC Release: 5 allows attackers to execute arbitrary JavaScript in the context of a user's browser via injecting a crafted payload.
Executive ViewAI
CVE-2025-65237 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 6.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: implement CSP headers, enable HttpOnly cookies, deploy WAF XSS rules.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)CVE.org
OpenCode Systems USSD Gateway OC Release: 5 was discovered to contain a SQL injection vulnerability via the Session ID p
OpenCode Systems USSD Gateway OC Release: 5 Version 6.13.11 was discovered to contain a SQL injection vulnerability via
Opencode versions up to 1.0.216 is affected by missing authentication for critical function (CVSS 8.8).
Incorrect access control in the getSubUsersByProvider function of OpenCode Systems USSD Gateway OC Release: 5 Version 6.
OpenCode's markdown renderer fails to sanitize HTML input in LLM responses, allowing attackers who control the chat outp
OpenCode Systems OC Messaging / USSD Gateway OC Release 6.32.2 contains a broken access control vulnerability in the web
Incorrect access control in the /aux1/ocussd/trace endpoint of OpenCode Systems USSD Gateway OC Release:5, version 6.13.
OS command injection in the npm `open` package (7.2.0 through 10.x) lets a remote attacker execute arbitrary PowerShell
NVD
CVE.org
EPSS
GitHub
Exploit-DB