What is the CVSS score of CVE-2025-51504?

CVE-2025-51504 has a CVSS 3.1 base score of 7.6 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L. EPSS exploitation probability: 0.1%.

Which versions of Microweber are affected by CVE-2025-51504?

Organizations using Microweber CMS 2.0 face notable risk from CVE-2025-51504, a cross-site scripting vulnerability rated CVSS 7.6.

Is there a public PoC exploit available for CVE-2025-51504?

Yes, a public proof-of-concept exploit is available for CVE-2025-51504. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-51504?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Verify anti-CSRF tokens and content security policies are enforced.

Microweber CVE-2025-51504

HIGH

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

2025-08-01 cve@mitre.org

XSS Microweber

7.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.6 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:04 vuln.today

PoC Detected

Aug 19, 2025 - 15:33 vuln.today

Public exploit code

CVE Published

Aug 01, 2025 - 17:15 nvd

HIGH 7.6

DescriptionCVE.org

Microweber CMS 2.0 is vulnerable to Cross Site Scripting (XSS)in the /projects/profile, homepage endpoint via the last name field.

AnalysisAI

Microweber CMS 2.0 is vulnerable to Cross Site Scripting (XSS)in the /projects/profile, homepage endpoint via the last name field. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable, 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. Microweber CMS 2.0 is vulnerable to Cross Site Scripting (XSS)in the /projects/profile, homepage endpoint via the last name field. 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.

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CVE-2025-51504 vulnerability details – vuln.today

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