CVE-2022-21145
A stored cross-site scripting vulnerability exists in the WebUserActions.aspx functionality of Lansweeper lansweeper 9.1.20.2.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 77.8%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
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 3.1
- 4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 77.78% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-80, CWE-79
- Affected
- lansweeper/lansweeper
- Source
- talos-cna@cisco.com
EPSS 77.8% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2022-1442Exploit, Third Party Advisory
- https://www.lansweeper.com/changelog/Release Notes, Vendor Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2022-1442Exploit, Third Party Advisory
- https://www.lansweeper.com/changelog/Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.