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CRITICAL · 9.0

CVE-2023-1715

A logic error when using mb_strpos() to check for potential XSS payload in Bitrix24 22.0.300 allows attackers to bypass XSS sanitisation via placing HTML tags at the begining of the payload.

Vulnerability Description

A logic error when using mb_strpos() to check for potential XSS payload in Bitrix24 22.0.300 allows attackers to bypass XSS sanitisation via placing HTML tags at the begining of the payload.

CVSS Score

9.0

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Bitrix24Bitrix2422.0.300

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2023-1715?

CVE-2023-1715 is a vulnerability with a CVSS score of 9.0 (CRITICAL). A logic error when using mb_strpos() to check for potential XSS payload in Bitrix24 22.0.300 allows attackers to bypass XSS sanitisation via placing HTML tags at the begining of the payload.

How severe is CVE-2023-1715?

CVE-2023-1715 has been rated CRITICAL with a CVSS base score of 9.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-1715?

Check the references section above for vendor advisories and patch information. Affected products include: Bitrix24 Bitrix24.