HOMEVULNERABILITIESCVE-2015-4089
HIGH

CVE-2015-4089

CWE-352Published: September 19, 2017· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Multiple cross-site request forgery (CSRF) vulnerabilities in the optionsPageRequest function in admin.php in WP Fastest Cache plugin before 0.8.3.5 for WordPress allow remote attackers to hijack the authentication of unspecified victims for requests that call the (1) saveOption, (2) deleteCache, (3) deleteCssAndJsCache, or (4) addCacheTimeout method via the wpFastestCachePage parameter in the WpFastestCacheOptions/ page.

NVD Source

Technical Analysis

CVE-2015-4089 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

wpfastestcache1 product(s)
wp fastest cache
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.openwall.com/lists/oss-security/2015/05/26/20
ADVISORYhttps://wordpress.org/plugins/wp-fastest-cache/#developers
ADVISORYhttp://www.openwall.com/lists/oss-security/2015/05/26/20
ADVISORYhttps://wordpress.org/plugins/wp-fastest-cache/#developers

All References (6)

→
http://www.openwall.com/lists/oss-security/2015/05/26/20Mailing List · Third Party Advisory
→
https://wordpress.org/plugins/wp-fastest-cache/#developersThird Party Advisory
→
https://wpvulndb.com/vulnerabilities/9756
→
http://www.openwall.com/lists/oss-security/2015/05/26/20Mailing List · Third Party Advisory
→
https://wordpress.org/plugins/wp-fastest-cache/#developersThird Party Advisory
→
https://wpvulndb.com/vulnerabilities/9756

Quick Facts

CVE IDCVE-2015-4089
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-352
CISA KEVNo
Affected1 vendor(s)
PublishedSep 19, 2017

Related CVEs (CWE-352)

CVE-2025-32642
10.0
CVE-2025-23922
10.0
CVE-2017-5145
10.0
CVE-2024-33449
9.8
CVE-2024-47359
9.8
CVE-2025-48340
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2015-4089 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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