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CVE-2022-21145

Status: ModifiedMedium (4.8)—
Severity4.8Medium · CVSS 3.1
Exploitation probability78 %higher than 100% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

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.

CVSS

Base score
4.8
Version
3.1
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
78 %
Percentile among all scored CVEs
100
Score date
10/30/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Lansweeper — Lansweeper

CWEs

References

Show 4 references

Raw JSON (NVD)

Show
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          "options": [
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          "timestamp": "2025-04-15T18:23:30.665159Z"
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        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
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  "weaknesses": [
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      "source": "talos-cna@cisco.com",
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      "value": "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."
    },
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    }
  ],
  "lastModified": "2026-06-17T04:25:36.797",
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}