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TI-2020-10573 Aliases CVE-2020-13483GHSA-wjr8-v45h-rfpv

The Web Application Firewall in Bitrix24 through 20.0.0 allows XSS via the…

Priority LOW 35CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

The Web Application Firewall in Bitrix24 through 20.0.0 allows XSS via the items[ITEMS][ID] parameter to the components/bitrix/mobileapp.list/ajax.php/ URI.

Why it matters now

EPSS 0.04511 91st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:bitrix24:bitrix24:*:*:*:*:*:*:*:*up to 20.0.0VulnerableBitrix24
  • cpe:2.3:a:bitrix24:bitrix24:*:*:*:*:*:*:*:* Versions up to 20.0.0 Vulnerable ·Bitrix24

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-13483
  2. 2026-10-03 Alias added: GHSA-wjr8-v45h-rfpv

References

Exploit 1

  • TI-2023-01613 Bitrix24 Insecure Global Variable Extraction CVSS 3.1CRITICAL 9.8
  • TI-2023-01614 Bitrix24 Stored Cross-Site Scripting (XSS) via File Upload CVSS 3.1CRITICAL 9.6
  • TI-2023-01611 Bitrix24 Cross-Site Scripting (XSS) via Client-side Prototype Pollution CVSS 3.1CRITICAL 9.6
  • TI-2023-01608 Bitrix24 Remote Command Execution (RCE) via Unsafe Variable Extraction CVSS 3.1HIGH 8.8
  • TI-2023-01607 Bitrix24 Remote Command Execution (RCE) via Insecure Temporary File Creation CVSS 3.1HIGH 8.8
  • TI-2023-01612 Bitrix24 Denial-of-Service (DoS) via Improper File Stream Access CVSS 3.1HIGH 7.5
See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences