What is CVE-2021-38559?

CVE-2021-38559 is a medium-severity vulnerability in Digitaldruid Hoteldruid, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-26.

How severe is CVE-2021-38559?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2021-38559 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Digitaldruid Hoteldruid

CVE-2021-38559

DigitalDruid HotelDruid 3.0.2 has an XSS vulnerability in prenota.php affecting the fineperiodo1 parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-08-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (61.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Digitaldruid Hoteldruid — versions 3.0.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

www.hoteldruid.com (Product)
vitthals.github.io/writeups/CVEs/Hoteldruid 3.0.2 XSS (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-38559?: CVE-2021-38559 is a medium-severity vulnerability in Digitaldruid Hoteldruid, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-26.
How severe is CVE-2021-38559?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-38559 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.