Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-100313
mathurvishal CloudClassroom-PHP-Project updatequery.php cross site scripting
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N P N L N 2.1 .0042 34.3 —
AFFECTED
Product Versions Fixed
CloudClassroom-PHP-Project 5dadec098bfbbf3300d60c3494db3fb95b66e7be – —
TIMELINE
Sep 25 Reserved by VulDB
Sep 26 Published (CNA: VulDB)
Sep 28 EXPLOIT PUBLISHED — CVE-2026-100313 (mathurvishal CloudClassroom-PHP-Project). Public exploit reference added.
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| September 25, 2026 | Reserved | Reserved by VulDB |
| September 26, 2026 | Published | Published (CNA: VulDB) |
| September 28, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-100313 (mathurvishal CloudClassroom-PHP-Project). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| mathurvishal | CloudClassroom-PHP-Project | — | 5dadec098bfbbf3300d60c3494db3fb95b66e7be | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-100313 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
