How severe is CVE-2025-28121?

CVE-2025-28121 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-28121 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-28121?

CVE-2025-28121 affects Code-projects Online Exam Mastering System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-28121?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-28121 have an EU (EUVD) identifier?

Yes. CVE-2025-28121 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12375.

When was CVE-2025-28121 published?

CVE-2025-28121 was published on 2025-04-21 and last updated on 2026-06-17.

CVE-2025-28121

CVE-2025-28121 is a medium-severity vulnerability in Code-projects Online Exam Mastering System with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12375
Weakness: CWE-79
Affected product: Code-projects Online Exam Mastering System
Published: 2025-04-21
Last modified: 2026-06-17

Description

code-projects Online Exam Mastering System 1.0 is vulnerable to Cross Site Scripting (XSS) in feedback.php via the "q" parameter allowing remote attackers to execute arbitrary code.

Frequently asked questions

What is CVE-2025-28121?: code-projects Online Exam Mastering System 1.0 is vulnerable to Cross Site Scripting (XSS) in feedback.php via the "q" parameter allowing remote attackers to execute arbitrary code.
How severe is CVE-2025-28121?: CVE-2025-28121 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-28121 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-28121?: CVE-2025-28121 affects Code-projects Online Exam Mastering System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-28121?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-28121 have an EU (EUVD) identifier?: Yes. CVE-2025-28121 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12375.
When was CVE-2025-28121 published?: CVE-2025-28121 was published on 2025-04-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:code-projects:online_exam_mastering_system:1.0:*:*:*:*:*:*:*

More vulnerabilities in Code-projects Online Exam Mastering System

CVE-2024-12891 — Medium (CVSS 6.3): A vulnerability classified as critical has been found in code-projects Online Exam Mastering System 1.0. Affected is an…
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CVE-2025-46173 — Medium (CVSS 6.1): code-projects Online Exam Mastering System 1.0 is vulnerable to Cross Site Scripting (XSS) via the name field in the…
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