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Vulnerability record · CVE-2025-51502 · published 1 August 2025

CVE-2025-51502: Microweber cross-site scripting vulnerability

Microweber · Microweber

Reflected Cross-Site Scripting (XSS) in Microweber CMS 2.0 via the layout parameter on the /admin/page/create page allows arbitrary JavaScript execution in the context of authenticated admin users.

6.1 CVSS 3.1 Medium EPSS 0.77% · top 46.3% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
0.77%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

Reflected Cross-Site Scripting (XSS) in Microweber CMS 2.0 via the layout parameter on the /admin/page/create page allows arbitrary JavaScript execution in the context of authenticated admin users.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/progprnv/CVE-Reports Third Party Advisory
https://github.com/progprnv/CVE-Reports/blob/main/CVE-2025-51502 ExploitThird Party Advisory
https://github.com/progprnv/CVE-Reports/blob/main/MICROWEBER%20%5BAdmin%20Panel%5D%20Reflected%20XSS%20on%20layout%20par Broken Link

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-1877Microweber command injection vulnerabilityCommand Injection in GitHub repository microweber/microweber prior to 1.3.3.EPSS 1.8%9.8CVE-2022-2368Microweber authentication bypass by spoofing vulnerabilityAuthentication Bypass by Spoofing in GitHub repository microweber/microweber prior to 1.2.20.EPSS 1.2%9.8CVE-2022-0895Microweber vulnerabilityStatic Code Injection in GitHub repository microweber/microweber prior to 1.3.EPSS 1.7%9.8CVE-2020-23138Microweber unrestricted file upload vulnerabilityAn unrestricted file upload vulnerability was discovered in the Microweber 1.1.18 admin account page. An attacker can upload PHP code or any extensio…EPSS 1.3%8.8CVE-2023-49052Microweber unrestricted file upload vulnerabilityFile Upload vulnerability in Microweber v.2.0.4 allows a remote attacker to execute arbitrary code via a crafted script to the file upload function i…EPSS 2.4%8.8CVE-2023-2240Microweber improper privilege management vulnerabilityImproper Privilege Management in GitHub repository microweber/microweber prior to 1.3.4.EPSS 0.71%8.8CVE-2022-33012Microweber injection vulnerabilityMicroweber v1.2.15 was discovered to allow attackers to perform an account takeover via a host header injection attack.EPSS 1.4%8.8CVE-2021-36461Microweber unrestricted file upload vulnerabilityAn Arbitrary File Upload vulnerability exists in Microweber 1.1.3 that allows attackers to getshell via the Settings Upload Picture section by upload…EPSS 0.92%

Source: NIST National Vulnerability Database (record CVE-2025-51502), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.