CVE-2023-1717

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]`.

Overview

State: PUBLISHED
Assigner (CNA): STAR_Labs
CVSS severity: CRITICAL
CVSS score: 9.6 / 10
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Effective score: 9.6 / 10 CRITICAL source: CNA overview
CWE(s): CWE-79, CWE-1321
Reserved: 2023-03-30
Published: 2023-11-01 10:03 UTC
Last updated: 2024-09-05 21:45 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2023/1xxx/CVE-2023-1717.json
Linked Threat: CVE-2023-1717 — Bitrix24 Cross-Site Scripting (XSS) via Client-side Prototype Pollution

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2023-11-01 10:15:09 UTC
NVD last modified: 2026-06-17 05:28:36 UTC
NVD CVSS v3.1: 9.6 / 10 CRITICAL source: info@starlabs.sg
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Exploitability subscore: 2.8 / 10
Impact subscore: 6.0 / 10
EPSS score: 0.0105 (probability of exploitation in next 30 days)
EPSS percentile: 60.73% vs all CVEs — higher = more likely to be exploited, as of 2026-07-26

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2023-23940
Assigner: STAR_Labs
Published: Nov 1, 2023, 9:03:46 AM
Updated: Sep 5, 2024, 7:45:36 PM
EUVD base score (CVSS 3.1): 9.6 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EUVD-reported EPSS: 1.7900
Vendors: Bitrix24
Products: Bitrix24 (0 ≤22.0.300)
Aliases: GHSA-5vm6-5fwc-4g9h

ENISA 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]`.

EUVD references (1)

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

Affected products (1)

Vendor	Product	Versions	Platforms
Bitrix24	Bitrix24	`0` (affected)	—

Affected products — CPE 2.3 (1) NVD

NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.

cpe:2.3:a:bitrix24:bitrix24:22.0.300:*:*:*:*:*:*:*

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

https://starlabs.sg/advisories/23/23-1717/ third-party-advisory

MITRE references (1) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

https://starlabs.sg/advisories/23/23-1717/ third-party-advisory

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (2)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://starlabs.sg/advisories/23/23-1717/ info@starlabs.sg ExploitThird Party Advisory
https://starlabs.sg/advisories/23/23-1717/ af854a3a-2127-422b-91ae-364da2661108 ExploitThird Party Advisory

Indicators (1)

IOCs linked to the auto-promoted Threat row.

Type	Value	VirusTotal	Attached
domain	`script.js`	no local data	2026-05-18 21:20 UTC

Remediations (16)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

Patch Now: Palo Alto Auth Bypass Bug Under Active Exploit

web:www.darkreading.com

Patch Now: Another Palo Alto Auth Bypass Bug Under Active Exploit Exploiting the PAN-OS GlobalProtect VPN vulnerability requires certain conditions, but adversaries have done so in two attack ...

2026-06-03 02:29 UTC
Determine Fix for IOS XE Software Web UI - Cisco

web:www.cisco.com

This document describes a list of software versions that have incorporated fixes for Cisco IOS® XE Software Web UI Cisco bug ID CSCwh87343.

2026-06-03 02:29 UTC
Update WhatsApp now: Two new flaws could expose you to malicious files

web:www.malwarebytes.com

WhatsApp patches flaws that could expose users to malicious content and disguised malware.

2026-06-03 02:29 UTC
NVD - Home

web:nvd.nist.gov

The NVD is the U.S. government repository of standards based vulnerability management data represented using the Security Content Automation Protocol (SCAP). This data enables automation of vulnerability management, security measurement, and compliance. The NVD includes databases of security checklist references, security-related software flaws, product names, and impact metrics. For ...

2026-06-03 02:29 UTC
About the security content of iOS 17 and iPadOS 17

web:support.apple.com

About the security content of iOS 17 and iPadOS 17 This document describes the security content of iOS 17 and iPadOS 17. About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security releases page. Apple security ...

2026-06-03 02:29 UTC
Micropatches - 0patch

web:0patch.com

Fixing what's really important. The goal of 0patch is not to micropatch every vulnerability but the important ones, such as those exploited in the wild or those without official vendor patches. These are some of our most popular micropatches.

2026-06-03 02:29 UTC
CISA adds Microsoft, ConnectWise vulnerabilities to active exploitation ...

web:www.cybersecuritydive.com

The Cybersecurity and Infrastructure Security Agency added two major software flaws to its Known Exploited Vulnerabilities (KEV) catalog on Tuesday, acknowledging the evidence that hackers have been using the bugs in recent attacks. CISA added CVE -2024-1708, a high-severity flaw in ConnectWise's ScreenConnect remote-access tool, and CVE -2026-32202, a medium-severity flaw in the Windows Shell ...

2026-05-22 05:40 UTC
How to Fix the "Your Device Is Missing Important Security and Quality ...

web:www.howtogeek.com

In this case, use your PC's built-in Windows Update troubleshooter to automatically find and fix issues with your updates. Only a little interaction is required from your end. To run that tool, go to Settings > Update & Security > Troubleshoot > Additional Troubleshooters > Windows Update and click "Run the Troubleshooter".

2026-05-22 05:40 UTC
Patch Views | Endpoint Central - ManageEngine

web:www.manageengine.com

Patch Details: The name of the patch and the affected products. Patch Details The following patch details are shown: Patch ID: A unique reference ID for every patch Patch Name: The name of the patch Bulletin ID: The Bulletin ID pertaining to this patch MS Knowledge Base: The knowledge base article corresponding to this patch .

2026-05-22 05:40 UTC
Critical Patch Updates, Critical Security Patch Updates ... - Oracle

web:www.oracle.com

Critical Security Patch Updates Critical Security Patch Updates provide security patches for supported Oracle on-premises products. A Critical Security Patch Update provides targeted, high-priority security fixes in a smaller, more focused format, making them easier to apply with minimal disruption.

2026-05-22 05:40 UTC
Microsoft Rolls Out Mitigations for 'YellowKey' BitLocker ...

web:www.securityweek.com

Microsoft has announced mitigations for CVE -2026-45585, a BitLocker bypass triggered via FsTx in Windows Recovery.

2026-05-22 05:40 UTC
Security Updates - Red Hat Customer Portal

web:access.redhat.com

Learn about our open source products, services, and company. You are here

2026-05-22 05:40 UTC
A new and improved community patch for BO3. - GitHub

web:github.com

A new and improved community patch for BO3. . Contribute to shiversoftdev/t7patch development by creating an account on GitHub.

2026-05-22 05:40 UTC
Nvd - Cve-2023-21716

web:nvd.nist.gov

Secure .gov websites use HTTPS A lock () or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

2026-05-22 05:40 UTC
Security Update Guide - Microsoft

web:portal.msrc.microsoft.com

The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

2026-05-22 05:40 UTC
February's Patch Tuesday release fixes 59 flaws ... - Computerworld

web:www.computerworld.com

Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company's Patch Tuesday release for February ...

2026-05-22 05:40 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2023-1717.json.

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