mathurvishal CloudClassroom-PHP-Project updatequery.php cross site scripting (CVE-2026-100313) | HOL Guard CVE

Medium · CVSS 5.3CVE-2026-100313

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

Answer in brief

CVE-2026-100313 records a Medium severity (CVSS 5.3) vulnerability in mathurvishal CloudClassroom-PHP-Project updatequery.php cross site scripting. The current sources do not mark it as known exploited. The current feed maps mathurvishal/CloudClassroom-PHP-Project (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 26, 2026Updated Sep 26, 2026Source checked Sep 26, 2026First seen by HOL Sep 26, 2026Material review Sep 26, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps mathurvishal/CloudClassroom-PHP-Project (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
mathurvishal/CloudClassroom-PHP-Projectgeneric	5dadec098bfbbf3300d60c3494db3fb95b66e7be	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for mathurvishal/CloudClassroom-PHP-Project.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 26, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 26, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 26, 2026

Sources and claim methodology

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.