CVE-2025-51503: microweber XSS (CVSS 7.6)

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.

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CVSS v3.1 Score

7.6

HIGH

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
microweber	microweber	All

References

Other References

https://github.com/progprnv/CVE-Reports https://github.com/progprnv/CVE-Reports/blob/main/CVE-2025-51503 https://github.com/progprnv/CVE-Reports/blob/main/MICROWEBER%20%5BAdmin%20Panel%5D%20Stored%20XSS%20in%20profile%20path.md

Frequently Asked Questions

What is CVE-2025-51503? +

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. It has a CVSS v3.1 base score of 7.6 (HIGH).

How severe is CVE-2025-51503? +

CVE-2025-51503 has a CVSS v3.1 score of 7.6 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-51503? +

CVE-2025-51503 affects products from microweber, specifically: microweber. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-51503? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-51503