PT-2026-53833 · Intermark It · Webcontrol Cms

Erik Villegas · Published 2026-06-30 · Updated 2026-06-30 · CVE-2026-6953

Positive Technologies (AI Summary)

CVSS v4.0

5.1

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N

Name of the Vulnerable Software and Affected Versions Intermark IT WebControl CMS version 3.5

Description An HTML injection issue exists in the contact form, allowing an attacker to send emails containing malicious HTML code to a victim. This is achieved by sending a request to the '/processContact.do' endpoint using the nombreApellidos, dirección, and comentarios parameters.

Recommendations As a temporary workaround, restrict access to the '/processContact.do' endpoint or avoid using the nombreApellidos, dirección, and comentarios parameters until a fix is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-6953

Affected Products

Webcontrol Cms

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-6953 · Security Note
• https://twitter.com/VulmonFeeds/status/2071917540838621517 · Twitter Post
• https://incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-intermark-its-webcontrol-cms · Note