Security readout for executives and security teams
Plain-English summary
Older WP Fastest Cache plugin versions had a SQL injection flaw in an AJAX handler. A vulnerable WordPress site could expose database-backed data if the affected request path is reachable. Public exploit information exists, but the supplied sources do not show active exploitation.
Executive priority
Prioritize remediation for internet-facing WordPress sites using this plugin. The absence of CVSS and KEV reduces certainty, but SQL injection plus public exploit information makes stale installations a meaningful business risk.
Technical view
CVE-2015-9316 affects wp-fastest-cache before 0.8.4.9. The vulnerable surface is wp-admin/admin-ajax.php with action wpfc_wppolls_ajax_request, where poll_id is described as SQL-injection-prone. No CVSS, CWE, authentication requirement, or fixed-code details are provided in the bundle.
Likely exposure
Exposure is limited to WordPress installations running WP Fastest Cache versions before 0.8.4.9. The bundle does not identify affected WordPress versions, hosting platforms, or required plugin configuration beyond the referenced AJAX action.
Exploitation context
An Exploit-DB reference is listed, indicating public exploit information exists. CISA KEV is false, and no supplied source states active exploitation in the wild.
Researcher notes
The source bundle is sparse: it names the vulnerable parameter and version boundary but omits exploit prerequisites, authentication state, impact detail, and patch notes. Treat conclusions beyond those facts as unconfirmed.
Mitigation direction
- Upgrade WP Fastest Cache to 0.8.4.9 or later.
- Remove or disable the plugin if immediate upgrade is not possible.
- Check current vendor guidance before applying compensating controls.
- Review WordPress access logs for suspicious admin-ajax.php activity.
Validation and detection
- Inventory all WordPress sites for WP Fastest Cache installations.
- Confirm plugin versions are not earlier than 0.8.4.9.
- Review logs for the wpfc_wppolls_ajax_request AJAX action.
- Look for unusual poll_id patterns without testing payloads.
- Verify remediation by confirming the upgraded plugin version.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Database behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2015-9316 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://wordpress.org/plugins/wp-fastest-cache/#developersCVE reference · x_refsource_MISC
- https://www.exploit-db.com/exploits/38678CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.