CVE-2025-70792 Microweber Cross-site Scripting vulnerability

What is CVE-2025-70792?

CVE-2025-70792 is a medium-severity cross-site scripting vulnerability in Microweber Microweber, published on 5 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Cross Site Scripting vulnerability in the "/admin/category/create" endpoint of Microweber 2.0.19. An attacker can manipulate the "rel_id" parameter in a crafted URL and lure a user with admin privileges into visiting it, achieving JavaScript code execution in the victim's browser. The issue was reported to the developers and fixed in version 2.0.20.

Weakness: CWE-79

Which versions are affected by CVE-2025-70792?

2 open source packages ship an affected version, including microweber/microweber. It affects 1 product.

Products include Microweber Microweber.

How do I fix CVE-2025-70792?

Upgrade microweber/microweber to 2.0.20 or later.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-70792 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-70792 exists.

Other vulnerabilities in Microweber Microweber

• CVE-2022-0558 Cross-site Scripting (XSS) - Stored in microweber/microweber Critical 9.8
• CVE-2020-23138 File upload in n/a Critical 9.8
• CVE-2022-0688 Business Logic Errors in microweber/microweber Critical 9.4
• CVE-2022-0660 Generation of Error Message Containing Sensitive Information in microweber/microweber Critical 9.4
• CVE-2022-0913 Integer Overflow or Wraparound in microweber/microweber Critical 9.1

All Microweber Microweber vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6w5w-jx4x-vjvw.