CVE-2026-129251

hrshadhin CloudSchool Event Description EventController.php cross site scripting

Published Nov 14, 2026 CVSS 4.0 · 4.8 Medium EPSS n/a KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description 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.
Title hrshadhin CloudSchool Event Description EventController.php cross site scripting
First Time appeared Hrshadhin
Hrshadhin cloudschool
Weaknesses CWE-79
CWE-94
CPEs cpe:2.3:a:hrshadhin:cloudschool:*:*:*:*:*:*:*:*
Vendors & Products Hrshadhin
Hrshadhin cloudschool
References
Metrics cvssV2_0

{'score': 3.3, 'vector': 'AV:N/AC:L/Au:M/C:N/I:P/A:N/E:POC/RL:ND/RC:C'}

cvssV3_0

{'score': 2.4, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C'}

cvssV3_1

{'score': 2.4, 'vector': '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'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Nov 14, 2026, 11:45 AM
Reserved
Nov 13, 2026, 7:31 PM
Status
Deferred
Published
Nov 14, 2026, 12:17 PM
Modified
Nov 14, 2026, 12:17 PM