Vulnerability Details : CVE-2023-1717
Potential exploit
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]`.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2023-1717
- cpe:2.3:a:bitrix24:bitrix24:22.0.300:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-1717
0.28%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-1717
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
9.6
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
2.8
|
6.0
|
STAR Labs SG Pte. Ltd. | |
9.6
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
2.8
|
6.0
|
NIST |
CWE ids for CVE-2023-1717
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- info@starlabs.sg (Secondary)
- nvd@nist.gov (Primary)
-
The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.Assigned by:
- info@starlabs.sg (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2023-1717
-
https://starlabs.sg/advisories/23/23-1717/
(CVE-2023-1717) Bitrix24 Cross-Site Scripting (XSS) via Client-side Prototype Pollution | STAR LabsExploit;Third Party Advisory
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