How severe is CVE-2026-74916?

CVE-2026-74916 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-74916 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-74916?

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

When was CVE-2026-74916 published?

CVE-2026-74916 was published on 2026-09-01.

CVE-2026-74916

CVE-2026-74916 is a medium-severity vulnerability 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-349.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-349
Published: 2026-09-01
Last modified: 2026-09-01

Description

The WP Fastest Cache WordPress plugin before 1.5.1 does not include a set of tracking-related query parameters in its page-cache key while still caching pages requested with them, allowing unauthenticated attackers to have a page rendered under their own request context stored under, and served from, the clean URL's cache entry to every subsequent visitor.

Frequently asked questions

What is CVE-2026-74916?: The WP Fastest Cache WordPress plugin before 1.5.1 does not include a set of tracking-related query parameters in its page-cache key while still caching pages requested with them, allowing unauthenticated attackers to have a page rendered under their own request context stored under, and served from, the clean URL's cache entry to every subsequent visitor.
How severe is CVE-2026-74916?: CVE-2026-74916 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-74916 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-74916?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-74916 published?: CVE-2026-74916 was published on 2026-09-01.

References

https://wpscan.com/vulnerability/b6f8be96-13d9-497a-8e57-5a65b519958b/

Other CWE-349 vulnerabilities

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CVE-2026-50252 — Critical (CVSS 9.3): In NLnet Labs Unbound 1.4.22 up to and including 1.25.1, UDP source port is randomized and intended to serve as a…
CVE-2026-45602 — Critical (CVSS 9.1): No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network.
CVE-2025-5994 — High (CVSS 8.7): A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has been discovered in caching resolvers that…
CVE-2025-40778 — High (CVSS 8.6): Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject…

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