CVE-2025-51503

Name: CVE-2025-51503
Creator: NVD / NIST
Published: 2025-07-31T18:15:42.147+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.6/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2025-51503 is a high-severity vulnerability rated 7.6/10 on the CVSS scale. A Stored Cross-Site Scripting (XSS) vulnerability in Microweber CMS 2.0 allows attackers to inject malicious scripts into user profile fields, leading to arbitrary JavaScript execution in admin browsers.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

A Stored Cross-Site Scripting (XSS) vulnerability in Microweber CMS 2.0 allows attackers to inject malicious scripts into user profile fields, leading to arbitrary JavaScript execution in admin browsers.

Metrics

CVSS 3.1

7.6/10

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

EPSS Probability

0.45%

35.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Microweber	Microweber	2.0.0

References

https://github.com/progprnv/CVE-ReportsThird Party Advisory
https://github.com/progprnv/CVE-Reports/blob/main/CVE-2025-51503Third Party Advisory
https://github.com/progprnv/CVE-Reports/blob/main/MICROWEBER%20%5BAdmin%20Panel%5D%20Stored%20XSS%20in%20profile%20path.mdBroken Link

Timeline

Published: Jul 31, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-51503?

How severe is CVE-2025-51503?

CVE-2025-51503 has a CVSS score of 7.6/10 (HIGH severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2025-51503?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-51503?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST