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CVE-2025-28121

28
FAUCET Score

CVE-2025-28121 describes a Cross-Site Scripting (XSS) vulnerability in code-projects Online Exam Mastering System 1.0, specifically within the feedback.php file via the "q" parameter. This flaw allows remote attackers to execute arbitrary code in the context of a user's browser. The vulnerability carries a CVSS score of 6.1 (MEDIUM), indicating a network-based attack with low complexity, requiring user interaction, and potentially leading to limited confidentiality and integrity impacts. Its FAUCET Risk Score is high at 89/100. While there is no evidence of active exploitation (KEV and Hot List are inactive), an ExploitDB entry (EDB-52272) confirms the existence of a reflected XSS exploit. Community discussion and media coverage for this CVE are currently minimal.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:code-projects:online_exam_mastering_system:1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.84%
Probability of exploitation in next 30 days
EPSS Percentile
54.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-52272 · Apr 22, 2025
This CVE's current EPSS score of 0.0084 is in the 63rd percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

code-projects.org / online-exam-mastering-system-php
Product
github.com / pruthuraut/CVE-2025-28121
ExploitThird Party Advisory