What is CVE-2020-18102?

CVE-2020-18102 is a medium-severity vulnerability in Hotels Server Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-05-10.

How severe is CVE-2020-18102?

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

XSS in Hotels Server Project

CVE-2020-18102

Cross Site Scripting (XSS) in Hotels_Server v1.0 allows remote attackers to execute arbitrary code by injecting crafted commands the data fields in the component "/controller/publishHotel.php".

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-05-10 · 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: 0.012 (68.2th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Hotels Server Project — versions 1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/FantasticLBP/Hotels_Server/issues/3 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-18102?: CVE-2020-18102 is a medium-severity vulnerability in Hotels Server Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-05-10.
How severe is CVE-2020-18102?: Medium severity. CVSS v3 base score is 6.1 out of 10.