Cyber Resilience

CVE-2023-38876

Medium

Published: 20 September 2023

Published
20 September 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0762 92.1th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-38876 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Msaad1999 Php-Login-System. Its CVSS base score is 6.1 (Medium).

Operationally, ranked in the top 7.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

A reflected cross-site scripting vulnerability exists in msaad1999's PHP-Login-System version 2.0.1. The flaw, tracked as CVE-2023-38876 and assigned CWE-79, resides in the handling of the selector parameter passed to the /reset-password endpoint and carries a CVSS 3.1 score of 6.1.

An unauthenticated remote attacker can supply a crafted payload in the selector parameter of a URL that is then reflected back to a victim who follows the link. Successful exploitation allows the attacker to execute arbitrary JavaScript in the context of the victim's browser, enabling actions such as session hijacking or redirection to malicious sites.

The associated EPSS score remains flat at 0.0762 with no material increase after disclosure. Public references consist of technical write-ups hosted on GitHub that demonstrate the issue but contain no vendor advisory or patch information.

EU & UK References

Vulnerability details

A reflected cross-site scripting (XSS) vulnerability in msaad1999's PHP-Login-System 2.0.1 allows remote attackers to execute arbitrary JavaScript in the web browser of a user, by including a malicious payload into the 'selector' parameter in '/reset-password'.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

msaad1999
php-login-system
2.0.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References