What is CVE-2025-8520?

CVE-2025-8520 is a medium-severity vulnerability in Givanz Vvveb, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.7/10. Published 2025-08-04.

How severe is CVE-2025-8520?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Is CVE-2025-8520 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

SSRF in Givanz Vvveb

CVE-2025-8520

A vulnerability classified as critical was found in givanz Vvveb up to 1.0.5. This vulnerability affects unknown code of the file /vadmin123/?module=editor/editor of the component Drag-and-Drop Editor. The manipulation of the argument url leads to server-side request forgery. The attack can 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 identified as f684f3e374d04db715730fc4796e102f5ebcacb2. It is recommended to upgrade the affected component.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2025-08-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (26.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Givanz Vvveb — versions 1.0.0, 1.0.1, 1.0.2
Vvveb

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
hkohi.ca/vulnerability/9 (Exploit, Third Party Advisory, exploit)
github.com/givanz/Vvveb/commit/f684f3e374d04db715730fc4796e102f5ebcacb2 (Patch, patch)
github.com/givanz/Vvveb/releases/tag/1.0.6 (Release Notes, patch)

Frequently asked questions

What is CVE-2025-8520?: CVE-2025-8520 is a medium-severity vulnerability in Givanz Vvveb, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.7/10. Published 2025-08-04.
How severe is CVE-2025-8520?: Medium severity. CVSS v3 base score is 4.7 out of 10.
Is CVE-2025-8520 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.