CVE-2025-28087: Sourcecodester Online Exam System 1.0 is vulnerable to SQL Injection via dash.php.

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2025-28087 is a critical-severity flaw (CVSS 9.8) affecting online exam system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Sourcecodester Online Exam System 1.0 is vulnerable to SQL Injection via dash.php.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-89
Published	2025-03-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: nayem-howlader

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

Am I affected?

Timeline

2025-03-28 22:15 UTCPublished CVE record published
2026-06-17 09:04 UTCUpdated Record last modified

nayem-howlader online exam 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 online-exam-system || rpm -q online-exam-system || online-exam-system --version

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

apt-cache madison online-exam-system sudo apt install online-exam-system=<VERSION_BEFORE_1.0> sudo apt-mark hold online-exam-system

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

dnf --showduplicates list online-exam-system sudo dnf downgrade online-exam-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add online-exam-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-2025-28087?

online exam system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-28087 being exploited?

CVE-2025-28087 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-2025-28087 affect?

CVE-2025-28087 affects online exam system. Severity is critical (CVSS 9.8). Sourcecodester Online Exam System 1.0 is vulnerable to SQL Injection via dash.php.

How urgent is CVE-2025-28087?

Priority 55/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-51567 CRITICAL 9.1 DOWNGRADE A SQL Injection was found in the /exam/user/profile.php page of kashipara Online Exam System V1.0, which allow
CVE-2024-40480 CRITICAL 9.8 DOWNGRADE A Broken Access Control vulnerability was found in /admin/update.php and /admin/dashboard.php in Kashipara Onl
CVE-2024-40479 HIGH 8.1 DOWNGRADE A SQL injection vulnerability in "/admin/quizquestion.php" in Kashipara Online Exam System v1.0 allows remote
CVE-2024-40478 MEDIUM 5.4 DOWNGRADE A Stored Cross Site Scripting (XSS) vulnerability was found in "/admin/afeedback.php" in Kashipara Online Exam
CVE-2024-10353 MEDIUM 6.3 DOWNGRADE A vulnerability classified as critical has been found in SourceCodester Online Exam System 1.0

References

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