Read the docs
TI-2023-01821 Aliases CVE-2023-1938GHSA-8wvj-4mr8-vx3q

WP Fatest Cache < 1.1.5 - Blind SSRF via CSRF

Priority HIGH 73Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

The WP Fastest Cache WordPress plugin before 1.1.5 does not have CSRF check in an AJAX action, and does not validate user input before using it in the wp_remote_get() function, leading to a Blind SSRF issue

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.08466 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed WP Fastest Cache (Unknown): 1.1.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownWP Fastest Cachebefore 1.1.51.1.5Patch availableCNA
  • WP Fastest Cache VendorUnknown Affected before 1.1.5 Fixed in 1.1.5 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wpfastestcache:wp_fastest_cache:*:*:*:*:*:wordpress:*:*before 1.1.5Vulnerableemrevona
  • cpe:2.3:a:wpfastestcache:wp_fastest_cache:*:*:*:*:*:wordpress:*:* Versions before 1.1.5 Vulnerable ·emrevona

Remediation

  • Fix · CNA WP Fastest Cache (Unknown) Fixed in 1.1.5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-1938
  2. 2026-10-03 Alias added: GHSA-8wvj-4mr8-vx3q
  3. 2026-10-21 EPSS moved to the 95th–99th percentile
  4. 2026-10-25 EPSS moved to the 90th–95th percentile
  5. 2026-10-29 EPSS moved to the 95th–99th percentile

References

Exploit 1

  • TI-2021-07151 WP Fastest Cache < 0.9.5 - Subscriber+ SQL Injection CVSS 3.1HIGH 8.8
  • TI-2023-05581 WP Fastest Cache < 1.2.2 - Unauthenticated SQL Injection CVSS 3.1HIGH 7.5
  • TI-2020-18971 WP Fastest Cache <= 0.9.0.2 - Authenticated (Subscriber+) Arbitrary File Deletion CVSS 3.1HIGH 8.1
  • TI-2019-10245 The WP Fastest Cache plugin through 0.8.9.5 for WordPress allows wpFastestCache.php and… CVSS 3.0CRITICAL 9.1
  • TI-2021-07152 WP Fastest Cache < 0.9.5 - CSRF to Stored Cross-Site Scripting CVSS 3.1MEDIUM 6.1
  • TI-2015-07693 The wp-fastest-cache plugin before 0.8.4.9 for WordPress has SQL injection in… CVSS 3.0CRITICAL 9.8
See all 28 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences