CVE-2023-6598: The SpeedyCache plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capab

Q: How do I fix CVE-2023-6598?

speedycache: upgrade to newer than 1.1.3. Exact commands for each OS are on this page.

Q: Is CVE-2023-6598 being exploited?

CVE-2023-6598 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-2023-6598 affect?

CVE-2023-6598 affects speedycache. Severity is medium (CVSS 4.3). The SpeedyCache plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the speedycache_save_varniship, speedycache_img_update_settings, speedycache_preloading_add_settings, and speedycac

Q: How urgent is CVE-2023-6598?

Priority 22/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2023-6598 is a medium-severity flaw (CVSS 4.3) affecting speedycache. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The SpeedyCache plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the speedycache_save_varniship, speedycache_img_update_settings, speedycache_preloading_add_settings, and speedycache_preloading_delete_resource functions in all versions up to, and including, 1.1.3. This makes it possible for authenticated attackers, with subscriber-level access and above, to update plugin options.

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	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-862
Published	2024-01-11
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: softaculous

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

Am I affected?

Timeline

2024-01-11 09:15 UTCPublished CVE record published
2026-06-17 06:51 UTCUpdated Record last modified

softaculous speedycache UPGRADE

Affected: <= 1.1.3

Fixed in: newer than 1.1.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy speedycache || rpm -q speedycache || speedycache --version

2. UPGRADE to newer than 1.1.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade speedycache

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade speedycache

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-2023-6598?

speedycache: upgrade to newer than 1.1.3. Exact commands for each OS are on this page.

Is CVE-2023-6598 being exploited?

CVE-2023-6598 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-2023-6598 affect?

CVE-2023-6598 affects speedycache. Severity is medium (CVSS 4.3). The SpeedyCache plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the speedycache_save_varniship, speedycache_img_update_settings, speedycache_preloading_add_settings, and speedycac

How urgent is CVE-2023-6598?

Priority 22/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

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CVE-2023-49746 MEDIUM 4.9 UPGRADE Server-Side Request Forgery (SSRF) vulnerability in Softaculous Team SpeedyCache – Cache, Optimization, Perfor

References

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