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Fencer Vulns
medium 5.4

CVE-2022-37162 json

Claroline 13.5.7 and prior is vulnerable to Cross Site Scripting (XSS).

published 2022-08-25 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-39815

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

Claroline 13.5.7 and prior is vulnerable to Cross Site Scripting (XSS). An attacker can obtain javascript code execution by adding arbitrary javascript code in the 'Location' field of a calendar event.

Exploit prediction

0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/matthieu-hackwitharts/claroline-CVEs/blob/main/calendar_xss/calendar_xss.md 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

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.