What is the CVSS score of CVE-2025-51501?

CVE-2025-51501 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.2%.

Which versions of Microweber are affected by CVE-2025-51501?

CVE-2025-51501 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 6.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

Is there a public PoC exploit available for CVE-2025-51501?

Yes, a public proof-of-concept exploit is available for CVE-2025-51501. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2025-51501?

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

Microweber CVE-2025-51501

MEDIUM

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

2025-08-01 cve@mitre.org

XSS Microweber

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 - 19:04 vuln.today

PoC Detected

Aug 19, 2025 - 15:36 vuln.today

Public exploit code

CVE Published

Aug 01, 2025 - 17:15 nvd

MEDIUM 6.1

DescriptionNVD

Reflected Cross-Site Scripting (XSS) in the id parameter of the live_edit.module_settings API endpoint in Microweber CMS2.0 allows execution of arbitrary JavaScript.

AnalysisAI

Reflected Cross-Site Scripting (XSS) in the id parameter of the live_edit.module_settings API endpoint in Microweber CMS2.0 allows execution of arbitrary JavaScript. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and 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. Reflected Cross-Site Scripting (XSS) in the id parameter of the live_edit.module_settings API endpoint in Microweber CMS2.0 allows execution of arbitrary JavaScript. Affected products include: Microweber.

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-2025-51501 vulnerability details – vuln.today

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