How severe is CVE-2022-28703?

CVE-2022-28703 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-28703 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28703?

CVE-2022-28703 affects Lansweeper. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-28703?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-28703 published?

CVE-2022-28703 was published on 2022-12-15 and last updated on 2026-06-17.

CVE-2022-28703

CVE-2022-28703 is a medium-severity vulnerability in Lansweeper with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Lansweeper
Published: 2022-12-15
Last modified: 2026-06-17

Description

A stored cross-site scripting vulnerability exists in the HdConfigActions.aspx altertextlanguages functionality of Lansweeper lansweeper 10.1.1.0. A specially-crafted HTTP request can lead to arbitrary Javascript code injection. An attacker can send an HTTP request to trigger this vulnerability.

Frequently asked questions

What is CVE-2022-28703?: A stored cross-site scripting vulnerability exists in the HdConfigActions.aspx altertextlanguages functionality of Lansweeper lansweeper 10.1.1.0. A specially-crafted HTTP request can lead to arbitrary Javascript code injection. An attacker can send an HTTP request to trigger this vulnerability.
How severe is CVE-2022-28703?: CVE-2022-28703 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-28703 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28703?: CVE-2022-28703 affects Lansweeper. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-28703?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-28703 published?: CVE-2022-28703 was published on 2022-12-15 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1532

Affected products (1)

cpe:2.3:a:lansweeper:lansweeper:10.1.1.0:*:*:*:*:*:*:*

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