CVE-2023-1717

CRITICAL EPSS 60.0%
Published Nov 1, 20232y ago · Modified Jun 17, 20262w ago
9.6 CVSS 3.1
Critical
Find Similar
Published Nov 1, 2023 2y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
9.6
Exploitability
2.8
Impact
6.0
Vector string
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

Threat Intelligence

EPSS Exploit Probability
60.0% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-1321
CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
bitrix24bitrix2422.0.300any

References 1

  • starlabs.sg https://starlabs.sg/advisories/23/23-1717/
    ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.