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CVE-2023-1717

Bitrix24 Cross-Site Scripting (XSS) via Client-side Prototype Pollution

Published: Nov 1, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-79
NVD MITRE
9.6CVSSCRITICAL
EPSS Score
1.1%
Top 40.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify

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 Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-79CWE-1321

Affected Products

Битрикс24ООО «1С-Битрикс»
On-prem
Web & CMS Plugins / cms-core
bitrix24bitrix24
On-prem
Enterprise Software / collaboration-groupware
Bitrix24Bitrix24
On-prem
Enterprise Software / collaboration-groupware
ооо «1с-битрикс»commercialRUWeb & CMS Pluginsaka 1c-bitrix, bitrix24
bitrix24commercialEnterprise Softwareaka bitrix24, bitrix site manager, bitrix framework

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://starlabs.sg/advisories/23/23-1717/
starlabs.sg
https://vuldb.com/?id.244183
vuldb.com
https://www.1c-bitrix.ru/vul/18880038/
1c-bitrix.ru
and 1 more references View all →

Timeline

Published
Nov 1, 2023
Last Updated
Nov 21, 2024

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