CVE-2021-45416 json
RosarioSIS XSS Vulnerability
published 2022-02-01 4 y ago modified 2026-07-09 4 mo ago also GHSA-287r-574x-f4h4 , EUVD-2022-0758
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.3%
- EPSS 2.3% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
Reflected Cross-site scripting (XSS) vulnerability in RosarioSIS 8.2.1 allows attackers to inject arbitrary HTML via the search_term parameter in the modules/Scheduling/Courses.php script.
Patch / fix
- packagist francoisjacquet/rosariosis 8.3
Exploit prediction
2.33% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/86x/CVE-2021-45416 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | francoisjacquet/rosariosis | <8.3 |
8.3 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/86x/CVE-2021-45416
web, exploit, patch, third-party-advisory
-
gitlab.com
/francoisjacquet/rosariosis/-/commit/aec018065ca12ecef03ee454a8112f992ea35315
web
-
nvd.nist.gov
/vuln/detail/CVE-2021-45416
advisory
-
youtube.com
/watch?v=PvFUxSGpWpY
web
-
rosariosis.com
web
Sources
- CVE List CVE-2021-45416
- GitHub Advisory GHSA-287r-574x-f4h4
- NVD CVE-2021-45416
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