CVE-2022-2489: A vulnerability was found in SourceCodester Simple E-Learning System 1.0

This month

MEDIUM 6.3DOWNGRADE

CVE-2022-2489 is a medium-severity flaw (CVSS 6.3) affecting simple e-learning system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in SourceCodester Simple E-Learning System 1.0. It has been rated as critical. This issue affects some unknown processing of the file classRoom.php. The manipulation of the argument classCode with the input 1'||(SELECT 0x6770715a WHERE 8795=8795 AND (SELECT 8342 FROM(SELECT COUNT(*),CONCAT(0x7171786b71,(SELECT (ELT(8342=8342,1))),0x717a7a7671,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a))||' leads to s

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-89
Published	2022-07-20
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: simple e-learning system project

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

Am I affected?

Timeline

2022-07-20 12:15 UTCPublished CVE record published
2026-06-17 04:41 UTCUpdated Record last modified

simple e-learning system project simple e-learning 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 simple-e-learning-system || rpm -q simple-e-learning-system || simple-e-learning-system --version

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

apt-cache madison simple-e-learning-system sudo apt install simple-e-learning-system=<VERSION_BEFORE_1.0> sudo apt-mark hold simple-e-learning-system

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

dnf --showduplicates list simple-e-learning-system sudo dnf downgrade simple-e-learning-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add simple-e-learning-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-2022-2489?

simple e-learning system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-2489 being exploited?

CVE-2022-2489 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-2022-2489 affect?

CVE-2022-2489 affects simple e-learning system. Severity is medium (CVSS 6.3). A vulnerability was found in SourceCodester Simple E-Learning System 1.0. It has been rated as critical. This issue affects some unknown processing of the file classRoom.php. The manipulation of the argument classCode with the input 1'||(SE

How urgent is CVE-2022-2489?

Priority 41/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2022-43319 HIGH 7.5 DOWNGRADE An information disclosure vulnerability in the component vcs/downloadFiles.php?download=./search.php of Simple
CVE-2022-40872 CRITICAL 9.8 DOWNGRADE An SQL injection vulnerability issue was discovered in Sourcecodester Simple E-Learning System 1.0., in /vcs/c
CVE-2022-2704 MEDIUM 4.3 MITIGATE A vulnerability was found in SourceCodester Simple E-Learning System
CVE-2022-2701 LOW 3.5 MITIGATE A vulnerability classified as problematic was found in SourceCodester Simple E-Learning System
CVE-2022-2699 MEDIUM 6.3 MITIGATE A vulnerability was found in SourceCodester Simple E-Learning System

References

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