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CVE-2026-100313

mathurvishal CloudClassroom-PHP-Project updatequery.php cross site scripting

MEDIUM
4.3
CVSS Score
Published: September 26, 2026 at 11:15 AM UTC
Updated: September 28, 2026 at 08:17 PM UTC
1 product affected across 1 vendorCloudClassroom-PHP-Project

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

A weakness has been identified in mathurvishal CloudClassroom-PHP-Project up to 5dadec098bfbbf3300d60c3494db3fb95b66e7be. This affects an unknown function of the file updatequery.php. Executing a manipulation of the argument queryx can lead to cross site scripting. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The vendor was contacted early about this disclosure but did not respond in any way.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

CloudClassroom-PHP-Project· Mathurvishal
60%
5dadec098bfbbf3300d60c3494db3fb95b66e7be

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/410441
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/410441/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-100313
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/914577
Broken LinkExploitPatch
Source: cverecord
https://github.com/vinniboy021-blip/Advisory/blob/main/updatequery-stored-xss.md

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79CWE-94

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