TI-2026-65015 Aliases CVE-2026-100877 GHSA-gfpp-g6x8-2jgj

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

MEDIUM 57CWE-79Published 2026-09-27 · Updated 2026-09-28

Key facts

Attack vector: Network
Privileges required: None
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: Cross-site scripting, Code execution
Confidentiality · integrity · availability: None · Low · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79 and CWE-94.

Summary

A vulnerability was determined in mathurvishal CloudClassroom-PHP-Project up to 5dadec098bfbbf3300d60c3494db3fb95b66e7be. Affected by this vulnerability is an unknown functionality of the file registrationform.php. Executing a manipulation of the argument FName/LName/Addrs can lead to cross site scripting. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00263 18th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
mathurvishal	CloudClassroom-PHP-Project	5dadec098bfbbf3300d60c3494db3fb95b66e7be	—	No fix listed	CNA

CloudClassroom-PHP-Project Vendormathurvishal Affected 5dadec098bfbbf3300d60c3494db3fb95b66e7be Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mathurvishal:cloudclassroom-php-project::::::::	—	—	mathurvishal

cpe:2.3:a:mathurvishal:cloudclassroom-php-project:*:*:*:*:*:*:*:* Versions — — ·mathurvishal

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-100877
2026-10-03 Alias added: GHSA-gfpp-g6x8-2jgj

References

Exploit 1

https://github.com/rmsbpro/Advisory/blob/main/registrationform-stored-xss.md

TI-2026-83749 SQL injection in mathurvishal CloudClassroom-PHP-Project via eid CVSS 4.0MEDIUM 6.9
TI-2026-83748 Execution after redirect in CloudClassroom-PHP-Project student page CVSS 4.0MEDIUM 6.9
TI-2026-65013 mathurvishal CloudClassroom-PHP-Project updatedetailsfromfaculty.php sql injection CVSS 4.0MEDIUM 6.9
TI-2026-64882 mathurvishal CloudClassroom-PHP-Project viewresult.php sql injection CVSS 4.0MEDIUM 6.9
TI-2026-64292 mathurvishal CloudClassroom-PHP-Project updatefaculty.php sql injection CVSS 4.0MEDIUM 6.9
TI-2026-64290 mathurvishal CloudClassroom-PHP-Project updatequery.php sql injection CVSS 4.0MEDIUM 6.9

See all 25 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences