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Fencer Intel
medium 5.4

CVE-2021-38707 json

Persistent cross-site scripting (XSS) vulnerabilities in ClinicCases 7.3.3 allow low-privileged attackers to introduce arbitrary JavaScript…

published 5y ago modified 4mo ago also EUVD-2021-25145

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits
0
none known

Summary

Persistent cross-site scripting (XSS) vulnerabilities in ClinicCases 7.3.3 allow low-privileged attackers to introduce arbitrary JavaScript to account parameters. The XSS payloads will execute in the browser of any user who views the relevant content. This can result in account takeover via session token theft.

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Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/sudonoodle/CVE-2021-38707 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

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

References

Sources

Fencer Intel 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.