RCE in Givanz Vvveb
CVE-2025-8521
A vulnerability, which was classified as problematic, has been found in givanz Vvveb up to 1.0.5. This issue affects some unknown processing of the file /vadmin123/index.php?module=settings/post-types of the component Add Type Handler. The manipulation leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.0.6 is able to address this issue. The patch is named b53c7161da606f512b7efcb392d6ffc708688d49/605a70f8729e4d44ebe272671cb1e43e3d6ae014. It is recommended to upgrade the affected component.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.003 (21.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Givanz Vvveb — versions 1.0.0, 1.0.1, 1.0.2
- Vvveb
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@vuldb.com (VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit)
- cna@vuldb.com (Patch, patch)
- cna@vuldb.com (Release Notes, patch)
Frequently asked questions
- What is CVE-2025-8521?
- CVE-2025-8521 is a low-severity vulnerability in Givanz Vvveb, classified under Cross-site Scripting. CVSS score: 2.4/10. Published 2025-08-04.
- How severe is CVE-2025-8521?
- Low severity. CVSS v3 base score is 2.4 out of 10.
- Is CVE-2025-8521 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.