CVE-2023-1375: The WP Fastest Cache plugin for WordPress is vulnerable to unauthorized cache deletion in versions up to, and

Q: How do I fix CVE-2023-1375?

wp fastest cache: upgrade to newer than 1.1.2. Exact commands for each OS are on this page.

Q: Is CVE-2023-1375 being exploited?

CVE-2023-1375 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-1375 affect?

CVE-2023-1375 affects wp fastest cache. Severity is medium (CVSS 4.3). 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 a

Q: How urgent is CVE-2023-1375?

Priority 26/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2023-1375 is a medium-severity flaw (CVSS 4.3) affecting wp fastest cache. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-862
Published	2023-06-09
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: wpfastestcache

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-06-09 06:15 UTCPublished CVE record published
2026-06-17 05:27 UTCUpdated Record last modified

wpfastestcache wp fastest cache UPGRADE

Affected: <= 1.1.2

Fixed in: newer than 1.1.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wp-fastest-cache || rpm -q wp-fastest-cache || wp-fastest-cache --version

2. UPGRADE to newer than 1.1.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wp-fastest-cache

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wp-fastest-cache

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-1375?

wp fastest cache: upgrade to newer than 1.1.2. Exact commands for each OS are on this page.

Is CVE-2023-1375 being exploited?

CVE-2023-1375 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-1375 affect?

CVE-2023-1375 affects wp fastest cache. Severity is medium (CVSS 4.3). 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 a

How urgent is CVE-2023-1375?

Priority 26/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2023-6063 HIGH 7.5 UPGRADE The WP Fastest Cache WordPress plugin before 1.2.2 does not properly sanitise and escape a parameter before us
CVE-2023-1938 HIGH 8.8 UPGRADE The WP Fastest Cache WordPress plugin before 1.1.5 does not have CSRF check in an AJAX action, and does not va
CVE-2020-36836 HIGH 8.0 UPGRADE The WP Fastest Cache plugin for WordPress is vulnerable to unauthorized arbitrary file deletion in versions up

References

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