CVE-2021-40492

6.1 MEDIUM

A reflected XSS vulnerability exists in multiple pages in version 22 of the Gibbon application that allows for arbitrary execution of Jav...

Published: 2021-09-03 · Last updated: 2026-06-17

Severity and scoring

CVSS: 6.1 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE: CWE-79

Affected products

Vendor	Product
gibbonedu	gibbon

Description

A reflected XSS vulnerability exists in multiple pages in version 22 of the Gibbon application that allows for arbitrary execution of JavaScript (gibbonCourseClassID, gibbonPersonID, subpage, currentDate, or allStudents to index.php).

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-40492
[Vendor advisory]https://gibbonedu.org/
[Other]https://github.com/5qu1n7/CVE-2021-40492
[Vendor advisory]https://gibbonedu.org/
[Other]https://github.com/5qu1n7/CVE-2021-40492

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CVE-2021-40214 — Gibbon v22.0.00 suffers from a stored XSS vulnerability within the wall messages component (5.4 MEDIUM)

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