What is CVE-2014-9126?

CVE-2014-9126 is a medium-severity vulnerability in Open-School, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-02-08.

How severe is CVE-2014-9126?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2014-9126 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Open-School

CVE-2014-9126

Multiple cross-site scripting (XSS) vulnerabilities in Open-School Community Edition 2.2 allow remote attackers to inject arbitrary web script or HTML via the YII_CSRF_TOKEN HTTP cookie or the StudentDocument, StudentCategories, StudentPreviousDatas parameters to index.php.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-02-08 · last modified 2026-06-17.

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: 0.011 (63.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Open-School — versions 2.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

packetstormsecurity.com/files/130090/OpenSchool-Community-Edition-2.2-XSS-Acces… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2014-9126?: CVE-2014-9126 is a medium-severity vulnerability in Open-School, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-02-08.
How severe is CVE-2014-9126?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2014-9126 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.