What is CVE-2025-8518?

CVE-2025-8518 is a medium-severity vulnerability in Givanz Vvveb, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.7/10. Published 2025-08-04.

How severe is CVE-2025-8518?

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

Is CVE-2025-8518 known to be exploited?

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

RCE in Givanz Vvveb

CVE-2025-8518

A vulnerability was found in givanz Vvveb 1.0.5. It has been rated as critical. Affected by this issue is the function Save of the file admin/controller/editor/code.php of the component Code Editor. The manipulation leads to code injection. The attack may be launched 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 name of the patch is f684f3e374d04db715730fc4796e102f5ebcacb2. It is recommended to upgrade the affected component.

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: 0.020 (80.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.020 · change: +0.006

Affected products

Givanz Vvveb — versions 1.0.5, 1.0.6
Vvveb — versions 1.0.5

Weakness classification (CWE)

Public proof-of-concept exploits

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/8 (related, Exploit, Third Party Advisory)
gist.github.com/0xHamy/f16fb399f8dd3a973acadc18fa07b1cb (Product, 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-2025-8518?: CVE-2025-8518 is a medium-severity vulnerability in Givanz Vvveb, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.7/10. Published 2025-08-04.
How severe is CVE-2025-8518?: Medium severity. CVSS v3 base score is 4.7 out of 10.
Is CVE-2025-8518 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.