TI-2021-20517 Aliases CVE-2021-45416 GHSA-287r-574x-f4h4

Reflected Cross-site scripting (XSS) vulnerability in RosarioSIS 8.2.1 allows attackers…

LOW 32CWE-79Published 2022-02-01 · Updated 2026-07-09

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

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.

Why it matters now

EPSS 0.02327 83rd percentileScored 2026-11-08

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed francoisjacquet/rosariosis (Packagist): 8.3

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA
—	francoisjacquet/rosariosis (Packagist)	before 8.3	8.3	Patch available	GHSA-287r-574x-f4h4

— Vendor— Affected all versions Fixed in — No fix listed CNA
francoisjacquet/rosariosis (Packagist) Vendor— Affected before 8.3 Fixed in 8.3 Patch available GHSA-287r-574x-f4h4

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:rosariosis:rosariosis:8.2.1:::::::*	8.2.1	Vulnerable	francoisjacquet

cpe:2.3:a:rosariosis:rosariosis:8.2.1:*:*:*:*:*:*:* Versions 8.2.1 Vulnerable ·francoisjacquet

Remediation

Fix · GHSA-287r-574x-f4h4 francoisjacquet/rosariosis (Packagist) Fixed in 8.3 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2021-45416
2026-10-03 Alias added: GHSA-287r-574x-f4h4

References

Exploit 1

https://github.com/86x/CVE-2021-45416

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2021-45416

Other 3

TI-2021-20041 An unauthenticated SQL Injection vulnerability in Rosario Student Information System (aka… CVSS 3.1CRITICAL 9.8
TI-2023-00941 Exposure of Sensitive Information to an Unauthorized Actor in francoisjacquet/rosariosis CVSS 3.1HIGH 7.5
TI-2021-20153 An unauthenticated SQL Injection vulnerability exists in RosarioSIS before 7.6.1 via the… CVSS 3.1CRITICAL 9.8
TI-2023-14071 RosarioSIS 10.8.4 is vulnerable to CSV injection via the Periods Module. CVSS 3.1MEDIUM 5.4
TI-2022-02512 Improper Handling of Length Parameter Inconsistency in francoisjacquet/rosariosis CVSS 3.1CRITICAL 9.8
TI-2022-01914 SQL Injection in francoisjacquet/rosariosis CVSS 3.1CRITICAL 9.1

See all 17 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences