CVE-2021-46824: Cross Site Scripting (XSS) vulnerability in sourcecodester School File Management System 1.0 via the Lastname

Routine

MEDIUM 5.4DOWNGRADE

CVE-2021-46824 is a medium-severity flaw (CVSS 5.4) affecting school file management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Scripting (XSS) vulnerability in sourcecodester School File Management System 1.0 via the Lastname parameter to the Update Account form in student_profile.php.

Why this priority

No elevated risk signals yet

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	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-06-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: school file management system project

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

Am I affected?

Timeline

2022-06-23 17:15 UTCPublished CVE record published
2026-06-17 04:15 UTCUpdated Record last modified

school file management system project school file management 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 school-file-management-system || rpm -q school-file-management-system || school-file-management-system --version

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

apt-cache madison school-file-management-system sudo apt install school-file-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold school-file-management-system

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

dnf --showduplicates list school-file-management-system sudo dnf downgrade school-file-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add school-file-management-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-2021-46824?

school file management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-46824 being exploited?

CVE-2021-46824 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-2021-46824 affect?

CVE-2021-46824 affects school file management system. Severity is medium (CVSS 5.4). Cross Site Scripting (XSS) vulnerability in sourcecodester School File Management System 1.0 via the Lastname parameter to the Update Account form in student_profile.php.

How urgent is CVE-2021-46824?

Priority 34/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-13555 HIGH 7.3 DOWNGRADE A vulnerability was detected in Campcodes School File Management System 1.0
CVE-2025-12873 MEDIUM 4.7 DOWNGRADE A security flaw has been discovered in Campcodes School File Management 1.0
CVE-2025-14209 HIGH 7.3 DOWNGRADE A weakness has been identified in Campcodes School File Management System 1.0
CVE-2025-15404 MEDIUM 6.3 DOWNGRADE A security vulnerability has been detected in campcodes School File Management System 1.0
CVE-2021-29055 MEDIUM 6.1 DOWNGRADE Cross Site Scripting (XSS) vulnerability in sourcecodester School File Management System 1.0 via the Firtstnam

References

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