CVE-2026-30661: User Management component · XSS
Source CVE Database V5
Not known to be exploited · CVSS 6.1 Medium.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 11% 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 24 Mar 2026
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 26 Oct 2026.
What to do
AI-suggested
Organizations should immediately implement strict input validation and output encoding on the regip and loginip parameters within the User Management component to prevent script injection. Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts. Monitor web traffic for suspicious requests targeting these parameters. Restrict access to the User Management interface to trusted IPs or authenticated users where possible. Stay alert for official patches or updates from iCMS vendors and apply them promptly once available. Conduct regular security assessments and penetration testing focusing on XSS vulnerabilities. Educate developers on secure coding practices to prevent similar issues in future releases. Consider deploying Web Application Firewalls (WAFs) with rules to detect and block XSS payloads targeting these parameters.
Description
iCMS v8.0.0 contains a Cross-Site Scripting (XSS) vulnerability in the User Management component, specifically within the index.html file. This allows remote attackers to execute arbitrary web script or HTML via the regip or loginip parameters.