TI-2026-05001 Aliases CVE-2026-5696 GHSA-vvj3-3h3h-g964

Multiple vulnerabilities in the Microweber administration panel

LOW 27CWE-79Published 2026-09-23 · Updated 2026-09-23

Key facts

Attack vector: Network
Privileges required: High
User interaction: Active
Attack complexity: Low
Attack requirements: None
Impact type: Cross-site scripting
Confidentiality · integrity · availability: None · None · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Reflected Cross-Site Scripting (XSS) in Microweber. The vulnerability lies in the ‘group’ parameter of the ‘/admin/settings’ endpoint in the administration panel. A successful exploit allows an attacker to trick an authenticated user into executing malicious JavaScript code in their browser. This enables the attacker to perform actions without the victim’s consent, steal confidential information or hijack the user’s session.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00418 36th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
microweber	Administration panel	2.0.19	—	No fix listed	CNA

Administration panel Vendormicroweber Affected 2.0.19 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-5696
2026-10-03 Alias added: GHSA-vvj3-3h3h-g964

References

Other 1

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-microweber-administration-panel

TI-2026-46828 Microweber CMS 2.0.20 Path Traversal via ServeStaticFileController CVSS 4.0HIGH 8.7
TI-2023-01763 Command Injection in microweber/microweber CVSS 3.1CRITICAL 9.8
TI-2023-02100 Improper Privilege Management in microweber/microweber CVSS 3.1HIGH 8.8
TI-2022-14518 Microweber v1.2.15 was discovered to allow attackers to perform an account takeover via a host header injection attack. CVSS 3.1HIGH 8.8
TI-2026-46827 Microweber CMS 2.0.20 Server-Side Template Injection via Mail Templates CVSS 4.0HIGH 8.6
TI-2023-04891 Use of Hard-coded Credentials in microweber/microweber CVSS 3.1HIGH 7.5

See all 120 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences