How severe is CVE-2019-6726?

CVE-2019-6726 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2019-6726 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6726?

CVE-2019-6726 affects Wpfastestcache Wp Fastest Cache. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-6726?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-6726 published?

CVE-2019-6726 was published on 2019-07-29 and last updated on 2026-06-17.

CVE-2019-6726

CVE-2019-6726 is a medium-severity vulnerability in Wpfastestcache Wp Fastest Cache with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 5.8
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Wpfastestcache Wp Fastest Cache
Published: 2019-07-29
Last modified: 2026-06-17

Description

The WP Fastest Cache plugin through 0.8.9.0 for WordPress allows remote attackers to delete arbitrary files because wp_postratings_clear_fastest_cache and rm_folder_recursively in wpFastestCache.php mishandle ../ in an HTTP Referer header.

Frequently asked questions

What is CVE-2019-6726?: The WP Fastest Cache plugin through 0.8.9.0 for WordPress allows remote attackers to delete arbitrary files because wp_postratings_clear_fastest_cache and rm_folder_recursively in wpFastestCache.php mishandle ../ in an HTTP Referer header.
How severe is CVE-2019-6726?: CVE-2019-6726 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2019-6726 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6726?: CVE-2019-6726 affects Wpfastestcache Wp Fastest Cache. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-6726?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-6726 published?: CVE-2019-6726 was published on 2019-07-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wpfastestcache:wp_fastest_cache:*:*:*:*:*:wordpress:*:*

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