What’s Vulnerable › Vulnerabilities

CVE-2023-6333: Cross-site Scripting in ControlByWeb Relays

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-07 · updated 2026-06-17
• Weakness: CWE-79

Description

The affected ControlByWeb Relay products are vulnerable to a stored cross-site scripting vulnerability, which could allow an attacker to inject arbitrary scripts into the endpoint of a web interface that could run malicious javascript code during a user's session.

Affected products

• ControlByWeb X-301-24I Firmware: 1.15
• ControlByWeb X-301-I Firmware: 1.15
• ControlByWeb X-332-24I Firmware: 1.06

References

• https://www.cisa.gov/news-events/ics-advisories/icsa-23-341-05
• https://www.cisa.gov/news-events/ics-advisories/icsa-23-341-05

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