CVE-2022-21145CWE-80

A stored cross-site scripting vulnerability exists in the WebUserActions.aspx functionality of Lansweeper lansweeper 9.1.20.2

Critical · published April 14, 2022

Patch now

High probability of exploitation

CVSS calls it critical at 9.1. It sits in the 99.6th percentile for exploit probability.

CVSS v3.0
9.1
EPSS
78%
Percentile
99.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
9.1 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.77778 · 99.6th percentile
Weakness
CWE-80 · Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Published
2022-04-14T19:56Z
EPSS history
Timeline
  • 14 APR 19:56Z
    A stored cross-site scripting vulnerability exists in the WebUserActions.aspx functionality of Lansweeper lansweeper 9.1.20.2
    cvelistv5