CVE-2026-6953 PUBLISHED

Multiple vulnerabilities in Intermark IT's WebControl CMS

Assigner: INCIBE
Reserved: 24.04.2026 Published: 30.06.2026 Updated: 30.06.2026

HTML injection vulnerability in Intermark IT's WebControl CMS v3.5. This vulnerability allows an attacker to send an email containing malicious HTML code to a victim via the contact form. To exploit this vulnerability, the attacker must send a request using the 'nombreApellidos', 'dirección ', and 'comentarios ' parameters to '/processContact.do'.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
CVSS Score: 5.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	Low
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	Active

CVSS 4.0

Product Status

Vendor	Intermark IT
Product	WebControl CMS
Versions	Default: unaffected affected from 0 to * (excl.)

Solutions

No solution has been reported at this time.

Credits

Erik Villegas finder

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-intermark-its-webcontrol-cms

Problem Types

CWE-79 Improper neutralization of input during web page generation ('cross-site scripting') CWE