CVE-2021-40542

MediumCVSS 6.1/10Last modified Jun 17, 2026

Description

Opensis-Classic Version 8.0 is affected by cross-site scripting (XSS). An unauthenticated user can inject and execute JavaScript code through the link_url parameter in Ajax_url_encode.php.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/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/OS4ED/openSIS-Classic/issues/189Exploit, Issue Tracking, Third Party Advisory
https://github.com/OS4ED/openSIS-Classic/issues/189Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Oct 11, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-405439.8Opensis-Classic Version 8.0 is affected by a SQL injection vulnerability due to a lack of sanitization of input data at two parameters $_GET CVE-2021-405464.9Tenda AC6 US_AC6V4.0RTL_V02.03.01.26_cn.bin allows attackers (who have the administrator password) to cause a denial of service (device cras CVE-2021-40558.8Heap buffer overflow in extensions in Google Chrome prior to 96.0.4664.93 allowed an attacker who convinced a user to install a malicious ex CVE-2021-405538.8piwigo 11.5.0 is affected by a remote code execution (RCE) vulnerability in the LocalFiles Editor.CVE-2021-405555.4Cross site scripting (XSS) vulnerability in flatCore-CMS 2.2.15 allows attackers to execute arbitrary code via description field on the new CVE-2021-405568.8A stack overflow vulnerability exists in the httpd service in ASUS RT-AX56U Router Version 3.0.0.4.386.44266. This vulnerability is caused b CVE-2021-405595.5A null pointer deference vulnerability exists in gpac through 1.0.1 via the naludmx_parse_nal_avc function in reframe_nalu, which allows a d CVE-2021-40568.8Type confusion in loader in Google Chrome prior to 96.0.4664.93 allowed a remote attacker to potentially exploit heap corruption via a craft CVE-2021-405625.5A Segmentation fault caused by a floating point exception exists in Gpac through 1.0.1 using mp4box via the naludmx_enqueue_or_dispatch func CVE-2021-405635.5A Segmentation fault exists casued by null pointer dereference exists in Gpac through 1.0.1 via the naludmx_create_avc_decoder_config functi CVE-2021-405645.5A Segmentation fault caused by null pointer dereference vulnerability eists in Gpac through 1.0.2 via the avc_parse_slice function in av_par CVE-2021-405655.5A Segmentation fault caused by a null pointer dereference vulnerability exists in Gpac through 1.0.1 via the gf_avc_parse_nalu function in a