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 browser, and possibly execute arbitrary PHP code on the server if the victim has administrator privilege, via polluting `__proto__[tag]` and `__proto__[text]`.

CVSS v3.1

9.6 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

CVSS v3.1

9.6 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS

1.05% chance of exploitation in the next 30 days, 62th percentile

Published

2023-11-01

Updated

2024-09-05

Proof-of-concept exploits (1)

• https://starlabs.sg/advisories/23/23-1717/

References

• CVE Record
• NVD entry

Related

• CVE-2023-1715
• CVE-2023-1718
• CVE-2023-1714
• CVE-2023-1719
• CVE-2023-1713
• CVE-2023-1720