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CRITICAL · 9.6

CVE-2023-1717

Prototype pollution in bitrix/templates/bitrix24/components/bitrix/menu/left_vertical/script.js in Bitrix24 22.0.300 allows remote attackers to execute arbitrary JavaScript code in the victim’s brows...

Vulnerability Description

Prototype pollution in bitrix/templates/bitrix24/components/bitrix/menu/left_vertical/script.js in Bitrix24 22.0.300 allows remote attackers to execute arbitrary JavaScript code in the victim’s browser, and possibly execute arbitrary PHP code on the server if the victim has administrator privilege, via polluting `__proto__[tag]` and `__proto__[text]`.

CVSS Score

9.6

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Bitrix24Bitrix2422.0.300

Related Weaknesses (CWE)

CWE-79CWE-1321

References

FAQ

What is CVE-2023-1717?

CVE-2023-1717 is a vulnerability with a CVSS score of 9.6 (CRITICAL). Prototype pollution in bitrix/templates/bitrix24/components/bitrix/menu/left_vertical/script.js in Bitrix24 22.0.300 allows remote attackers to execute arbitrary JavaScript code in the victim’s brows...

How severe is CVE-2023-1717?

CVE-2023-1717 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-1717?

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