What is CVE-2023-2103?

CVE-2023-2103 is a medium-severity vulnerability in Alextselegidis Alextselegidis/easyappointments, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-04-15.

How severe is CVE-2023-2103?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2023-2103 known to be exploited?

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

XSS in Alextselegidis Alextselegidis/easyappointments

CVE-2023-2103

Cross-site Scripting (XSS) - Stored in GitHub repository alextselegidis/easyappointments prior to 1.5.0.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-04-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (38.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Alextselegidis Alextselegidis/easyappointments — versions unspecified
Easyappointments

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

tht1997/tht1997

References

huntr.dev/bounties/1df09505-9923-43b9-82ef-15d94bc3f9dc (Exploit, Third Party Advisory)
github.com/alextselegidis/easyappointments/commit/46a865300e94c7031cc0e315d95d3… (Patch)

Frequently asked questions

What is CVE-2023-2103?: CVE-2023-2103 is a medium-severity vulnerability in Alextselegidis Alextselegidis/easyappointments, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-04-15.
How severe is CVE-2023-2103?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-2103 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.