Read the docs
TI-2022-05548 Aliases CVE-2022-21145GHSA-c8r6-vf82-fj44

Cross-site scripting in lansweeper

Priority MEDIUM 64CWE-80Published · Updated

Key facts

Attack vector
Network
Privileges required
High
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-80.

Summary

A stored cross-site scripting vulnerability exists in the WebUserActions.aspx functionality of Lansweeper lansweeper 9.1.20.2. A specially-crafted HTTP request can lead to arbitrary Javascript code injection. An attacker can send an HTTP request to trigger this vulnerability.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.77778 99th 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

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Lansweeperlansweeper9.1.20.2—No fix listedCNA
  • lansweeper VendorLansweeper Affected 9.1.20.2 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:lansweeper:lansweeper:9.1.20.2:*:*:*:*:*:*:*9.1.20.2VulnerableLansweeper
  • cpe:2.3:a:lansweeper:lansweeper:9.1.20.2:*:*:*:*:*:*:* Versions 9.1.20.2 Vulnerable ·Lansweeper

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-21145
  2. 2026-10-03 Alias added: GHSA-c8r6-vf82-fj44

References

  • TI-2022-06484 SQL injection in lansweeper CVSS 3.1HIGH 8.8
  • TI-2022-05625 SQL injection in lansweeper CVSS 3.1HIGH 8.8
  • TI-2022-14201 Path traversal in lansweeper CVSS 3.1CRITICAL 9.9
  • TI-2022-11977 Path traversal in lansweeper CVSS 3.1CRITICAL 9.9
  • TI-2022-05603 SQL injection in lansweeper CVSS 3.1HIGH 8.8
  • TI-2020-10977 Lansweeper 6.0.x through 7.2.x has a default installation in which the admin password is… CVSS 3.1CRITICAL 9.8
See all 17 →

Sources