CVE-2026-129251

LOW 2.4

hrshadhin CloudSchool Event Description EventController.php cross site scripting

CVSS Score

2.4

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was detected in hrshadhin CloudSchool up to 3.0.1. This affects an unknown function of the file app/Http/Controllers/Backend/EventController.php of the component Event Description Handler. The manipulation of the argument data results in cross site scripting. It is possible to launch the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CWE	CWE-79 CWE-94
Vendor	hrshadhin
Product	cloudschool
Published	Nov 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

hrshadhin / CloudSchool

3.0.0 3.0.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/437281 vuldb.com: https://vuldb.com/vuln/437281/cti vuldb.com: https://vuldb.com/cve/CVE-2026-129251 vuldb.com: https://vuldb.com/submit/1042948

Credits

🔍 ChetanPujari (VulDB User) VulDB CNA Team