How to fix CVE-2025-28073?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is PHP affected by CVE-2025-28073?

Organizations using phpList before 3.6.15 should be aware of moderate risk from CVE-2025-28073, a cross-site scripting vulnerability rated CVSS 6.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

PHP CVE-2025-28073

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2025-05-08 [email protected]

PHP XSS Phplist

6.1

CVSS 3.1

CVSS VectorNVD

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

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:40 vuln.today

CVE Published

May 08, 2025 - 20:15 nvd

MEDIUM 6.1

DescriptionNVD

phpList before 3.6.15 is vulnerable to Reflected Cross-Site Scripting (XSS) via the /lists/dl.php endpoint. An attacker can inject arbitrary JavaScript code by manipulating the id parameter, which is improperly sanitized.

AnalysisAI

phpList before 3.6.15 is vulnerable to Reflected Cross-Site Scripting (XSS) via the /lists/dl.php endpoint. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. phpList before 3.6.15 is vulnerable to Reflected Cross-Site Scripting (XSS) via the /lists/dl.php endpoint. An attacker can inject arbitrary JavaScript code by manipulating the id parameter, which is improperly sanitized. Affected products include: Phplist. Version information: before 3.6.15.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

CVE-2025-28073 vulnerability details – vuln.today

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