CVE-2023-4406: KC Group E-Commerce Software · Cross-site Scripting
Affects KC Group E-Commerce SoftwareSource CVE Database V5
Not known to be exploited · CVSS 6.1 Medium.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 44% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 23 Nov 2023
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| KC Group E-Commerce Software | Affected
| Fixed in– |
AI-suggested
European organizations should implement immediate compensating controls to mitigate the risk from this reflected XSS vulnerability. These include: 1) Deploying Web Application Firewalls (WAFs) with custom rules to detect and block typical XSS payloads targeting the KC Group E-Commerce Software endpoints. 2) Implementing strict Content Security Policy (CSP) headers to restrict script execution sources and reduce the impact of injected scripts. 3) Educating users and staff about phishing risks and suspicious links to reduce the likelihood of successful exploitation. 4) Conducting thorough input validation and output encoding on all user-supplied data within the application, if possible via internal development teams or third-party security consultants, until an official patch is released. 5) Monitoring web server and application logs for unusual request patterns indicative of attempted XSS exploitation. 6) Segregating the e-commerce platform network segment to limit lateral movement if exploitation occurs. Organizations should also engage with the vendor for patch timelines and consider alternative e-commerce solutions if remediation is delayed.
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in KC Group E-Commerce Software allows Reflected XSS.This issue affects E-Commerce Software: through 20231123. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.