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CVE-2023-42359

25
FAUCET Score

CVE-2023-42359 is a critical SQL injection vulnerability affecting Exam Form Submission in PHP with Source Code v1.0. An unauthenticated remote attacker can exploit this flaw by manipulating the ‘val-username’ parameter in index.php to escalate privileges. With a CVSS score of 9.8, this vulnerability allows for complete compromise of confidentiality, integrity, and availability. While no active exploitation or public exploit code is currently reported, its high severity and ease of exploitation (AV:N/AC:L/PR:N/UI:N) warrant immediate attention. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:exam_form_submission_in_php_with_source_code_project:exam_form_submission_in_php_with_source_code:1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.74%
Probability of exploitation in next 30 days
EPSS Percentile
50.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0074 is in the 34th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

upbeat-washer-def.notion.site / Exam-Form-Submission-In-PHP-SQL-Injection-in-index-php-bd71962db712459488019d531ab2f6f2
Exploit