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Fencer Vulns
medium 6.8

CVE-2023-2102 json

Cross-site Scripting (XSS) - Stored in alextselegidis/easyappointments

published 2023-04-15 3 y ago modified 2026-06-17 4 mo ago also GHSA-j6qq-9939-9jv8 , EUVD-2023-1331

cvss
6.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

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

Patch / fix

  • alextselegidis alextselegidis/easyappointments 1.5.0

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/dd7c04a7-a984-4387-9ac4-24596e7ece44 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 6.8 CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:H
CISA ADP 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
GitHub 3.0 6.8 CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:H

Affected packages

ecosystem package affected fixed in
packagist alextselegidis/easyappointments
<=1.4.3
no fix listed

Affected products

  • alextselegidis alextselegidis/easyappointments

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.