Medium severity · published Sep 26, 2026
CVE-2026-100313
mathurvishal CloudClassroom-PHP-Project updatequery.php cross site scripting
4.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CL
CloudClassroom-PHP-Project · mathurvishal
5dadec098bfbbf3300d60c3494db3fb95b66e7be · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-100313
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-100313
vdb-entry
https://vuldb.com/vuln/410441
signature
https://vuldb.com/vuln/410441/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-100313
third-party-advisory
https://vuldb.com/submit/914577
broken-link
https://github.com/vinniboy021-blip/Advisory/blob/main/updatequery-stored-xss.md
More from CloudClassroom-PHP-Project
9.8
CVE-2026-2058
mathurvishal CloudClassroom-PHP-Project Post Query Details postquerypublic.php sql injection
7.3
CVE-2026-101013
mathurvishal CloudClassroom-PHP-Project updateresultdetails.php sql injection
7.3
CVE-2026-101012
mathurvishal CloudClassroom-PHP-Project makeresult.php sql injection
7.3
CVE-2026-100875
mathurvishal CloudClassroom-PHP-Project updatedetailsfromfaculty.php sql injection
7.3
CVE-2026-100874
mathurvishal CloudClassroom-PHP-Project addnewstudent.php sql injection
