CVE-2026-129251
hrshadhin CloudSchool Event Description EventController.php cross site scripting
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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| CloudSchool hrshadhin |
3.0.0 (affected) 3.0.1 (affected) |
CNA: VulDB |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 4.8 medium |
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 | CNA: VulDB |
| 3.1 / 2.4 low |
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 | CNA: VulDB |
| 3.0 / 2.4 low |
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 | CNA: VulDB |
| 2.0 / 3.3 low |
AV:N/AC:L/Au:M/C:N/I:P/A:N/E:POC/RL:ND/RC:C | CNA: VulDB |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://vuldb.com/vuln/437281CNA: VulDB · vdb-entry, technical-description
- https://vuldb.com/vuln/437281/ctiCNA: VulDB · signature, permissions-required
- https://vuldb.com/cve/CVE-2026-129251CNA: VulDB · third-party-advisory
- https://vuldb.com/submit/1042948CNA: VulDB · third-party-advisory
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