XSS in Os4ed Opensis
CVE-2023-38881
A reflected cross-site scripting (XSS) vulnerability in the Community Edition version 9.0 of OS4ED's openSIS Classic allows remote attackers to execute arbitrary JavaScript in the web browser of a user, by including a malicious payload into any of the 'calendar_id', 'school_date', 'month' or 'year' parameters in 'CalendarModal.php'.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (48.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Os4ed Opensis — versions 9.0
Weakness classification (CWE)
References
- github.com/OS4ED/openSIS-Classic (Product)
- www.os4ed.com/ (Product)
- github.com/dub-flow/vulnerability-research/tree/main/CVE-2023-38881 (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-38881?
- CVE-2023-38881 is a medium-severity vulnerability in Os4ed Opensis, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-11-20.
- How severe is CVE-2023-38881?
- Medium severity. CVSS v3 base score is 6.1 out of 10.