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CVE-2026-129251 hrshadhin CloudSchool Event Description EventController.php cross site scripting

1.9 low

Low (1.9) in hrshadhin cloudschool.

On this page
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.

Severity

CVSS 4.0

1.9 low
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

CVSS 3.1

2.4 low
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
CWEs
CWE-79 Improper Neutralization of Input During Web Page Generation (Cross-site Scripting)
CWE-94 Improper Control of Generation of Code (Code Injection)
OWASP Top 10
A05:2025 Injection
Published
Modified
Assigned by
VulDB (CNA)
NVD analysis
Deferred: the NVD does not plan to analyze it
Record from
the NVD, synced

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Affected

Versions

From the CNA's record in the CVE List.

ProductAffected
hrshadhin CloudSchool3.0.0
hrshadhin CloudSchool3.0.1

Attack patterns (CAPEC)

  • CAPEC-35 Leverage Executable Code in Non-Executable Files Likelihood: High · Severity: Very High
  • CAPEC-77 Manipulating User-Controlled Variables Likelihood: High · Severity: Very High
  • CAPEC-242 Code Injection Likelihood: High · Severity: High
  • CAPEC-63 Cross-Site Scripting (XSS) Likelihood: High · Severity: Very High
  • CAPEC-85 AJAX Footprinting Likelihood: High · Severity: Low
  • CAPEC-209 XSS Using MIME Type Mismatch Severity: Medium
  • CAPEC-588 DOM-Based XSS Likelihood: High · Severity: Very High
  • CAPEC-591 Reflected XSS Likelihood: High · Severity: Very High
  • CAPEC-592 Stored XSS Likelihood: High · Severity: Very High

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

History

  1. Score 4.8 → 1.9 low
  2. The NVD deferred its analysis

Changes since this site first stored the record. The same for every record: /api/public/changes.

References

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