CVE-2021-40310

MediumCVSS 5.4/10Last modified Jun 17, 2026

Description

OpenSIS Community Edition version 8.0 is affected by a cross-site scripting (XSS) vulnerability in the TakeAttendance.php via the cp_id_miss_attn parameter.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/MiSERYYYYY/Vulnerability-Reports-and-Disclosures/blob/main/OpenSIS-Community-8.0.mdExploit, Third Party Advisory
https://github.com/OS4ED/openSIS-ClassicProduct, Third Party Advisory
https://www.youtube.com/watch?v=aPKPUDmmYpcExploit, Third Party Advisory
https://github.com/MiSERYYYYY/Vulnerability-Reports-and-Disclosures/blob/main/OpenSIS-Community-8.0.mdExploit, Third Party Advisory
https://github.com/OS4ED/openSIS-ClassicProduct, Third Party Advisory
https://www.youtube.com/watch?v=aPKPUDmmYpcExploit, Third Party Advisory

Timeline

Published: Sep 24, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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