How severe is CVE-2021-39473?

CVE-2021-39473 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-2021-39473 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39473?

CVE-2021-39473 affects Hotelmanager Project Hotelmanager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-39473?

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

When was CVE-2021-39473 published?

CVE-2021-39473 was published on 2022-11-04 and last updated on 2026-06-17.

CVE-2021-39473

CVE-2021-39473 is a medium-severity vulnerability in Hotelmanager Project Hotelmanager 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% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Hotelmanager Project Hotelmanager
Published: 2022-11-04
Last modified: 2026-06-17

Description

Saibamen HotelManager v1.2 is vulnerable to Cross Site Scripting (XSS) due to improper sanitization of comment and contact fields.

Frequently asked questions

What is CVE-2021-39473?: Saibamen HotelManager v1.2 is vulnerable to Cross Site Scripting (XSS) due to improper sanitization of comment and contact fields.
How severe is CVE-2021-39473?: CVE-2021-39473 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-2021-39473 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39473?: CVE-2021-39473 affects Hotelmanager Project Hotelmanager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-39473?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-39473 published?: CVE-2021-39473 was published on 2022-11-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hotelmanager_project:hotelmanager:1.2:*:*:*:*:*:*:*

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