CVE-2021-41658: Cross Site Scripting (XSS) in Sourcecodester Student Quarterly Grading System by oretnom23, allows attackers t

Routine

MEDIUM 5.4DOWNGRADE

CVE-2021-41658 is a medium-severity flaw (CVSS 5.4) affecting student quarterly grading system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Scripting (XSS) in Sourcecodester Student Quarterly Grading System by oretnom23, allows attackers to execute arbitrary code via the fullname and username parameters to the users page.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-01-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: student quarterly grading system project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-01-24 17:15 UTCPublished CVE record published
2026-06-17 04:08 UTCUpdated Record last modified

student quarterly grading system project student quarterly grading system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy student-quarterly-grading-system || rpm -q student-quarterly-grading-system || student-quarterly-grading-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison student-quarterly-grading-system sudo apt install student-quarterly-grading-system=<VERSION_BEFORE_1.0> sudo apt-mark hold student-quarterly-grading-system

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list student-quarterly-grading-system sudo dnf downgrade student-quarterly-grading-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add student-quarterly-grading-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-41658?

student quarterly grading system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-41658 being exploited?

CVE-2021-41658 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-41658 affect?

CVE-2021-41658 affects student quarterly grading system. Severity is medium (CVSS 5.4). Cross Site Scripting (XSS) in Sourcecodester Student Quarterly Grading System by oretnom23, allows attackers to execute arbitrary code via the fullname and username parameters to the users page.

How urgent is CVE-2021-41658?

Priority 37/100. Public exploit reference

References

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