CVE-2025-65237Public exploitNetwork attack vector

Browser-context JavaScript execution via reflected crafted payload

Published Nov 26, 2025 · Updated Dec 3, 2025

Reflected XSS in OpenCode Systems USSD Gateway OC Release 5 allows remote attackers to run JavaScript in a user's browser. The published sources do not identify the affected request parameter or response handler, and disclose only that a crafted payload is reflected into the page. Exploitation requires a victim to open the attacker-controlled request, enabling browser-context data access or modification but no service interruption.

CVSS severity6.1
Medium
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in OpenCode Systems USSD Gateway OC Release 5 allows remote attackers to run JavaScript in a user's browser. The published sources do not identify the affected request parameter or response handler, and disclose only that a crafted payload is reflected into the page. Exploitation requires a victim to open the attacker-controlled request, enabling browser-context data access or modification but no service interruption.

The record

CVE
CVE-2025-65237
Published
Nov 26, 2025
Updated
Dec 3, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1189, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 26, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 3, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise
T1059.007Command and Scripting Interpreter: JavaScript/JScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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