CVE-2021-40542
MEDIUMCVSS 6.1/10EPSS 3.00%
Last modified
CVE-2021-40542 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 3.00% chance of exploitation in the next 30 days.
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/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Os4ed | Opensis | 8.0 |
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
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-40542?
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.
How severe is CVE-2021-40542?
CVE-2021-40542 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 3.00% probability of exploitation in the next 30 days.
How do I fix CVE-2021-40542?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-40542?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST