CVE-2026-74916 json
WP Fastest Cache 0.8.7.7 - 1.5.0 - Unauthenticated Cache Poisoning via Unkeyed Tracking Parameters
published 2026-09-01 2 mo ago modified 2026-09-01 2 mo ago also EUVD-2026-68990
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 4%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Unknown WP Fastest Cache 1.5.1
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/b6f8be96-13d9-497a-8e57-5a65b519958b/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
Affected products
- Unknown WP Fastest Cache
Classification
- Weakness
-
- CWE-349 Acceptance of Extraneous Untrusted Data With Trusted Data
- Technology feeds
References
-
wpscan.com
/vulnerability/b6f8be96-13d9-497a-8e57-5a65b519958b/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-74916
- NVD CVE-2026-74916
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.