Security readout for executives and security teams
Plain-English summary
WP Fastest Cache versions before 0.9.5 could let a logged-in low-privilege WordPress user manipulate database queries. For a business, the risk is possible exposure, alteration, or disruption of site data where vulnerable plugin versions remain installed.
Executive priority
Prioritize remediation where vulnerable versions run on externally reachable WordPress sites with untrusted user accounts. The vulnerability has high potential impact, but the provided evidence does not establish active exploitation.
Technical view
The plugin’s set_urls_with_terms method failed to escape user input before placing it in a SQL statement. The CVSS 3.1 score is 8.8 with low attack complexity, low privileges required, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to WordPress sites running WP Fastest Cache before 0.9.5, especially sites allowing subscriber or other low-privilege accounts. The provided CVE data does not include CPEs and lists the vendor as unknown.
Exploitation context
The source bundle supports subscriber-level SQL injection and WPScan labels the entry with exploit-related metadata. CISA KEV is false, and the provided sources do not show confirmed active exploitation in the wild.
Researcher notes
Focus validation on authenticated attack surface and the vulnerable plugin method. Do not assume unauthenticated exposure. Source evidence is sufficient for affected version direction, but incomplete for vendor CPE mapping and real-world exploitation.
Mitigation direction
- Update WP Fastest Cache to version 0.9.5 or later.
- Disable or remove the plugin if timely updating is not possible.
- Review vendor and plugin-maintainer guidance for any additional hardening steps.
- Audit subscriber and low-privilege accounts on affected WordPress sites.
Validation and detection
- Inventory WordPress sites using WP Fastest Cache.
- Confirm installed plugin versions are 0.9.5 or later.
- Check whether public registration or untrusted subscriber accounts are enabled.
- Review logs for unusual database errors or suspicious authenticated activity.
- Document remediation status for every affected site.
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.
CWE-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupDatabase 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-2021-24869 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
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://wpscan.com/vulnerability/b2233795-1a32-45fc-9d51-b6bd0a073f5b/CVE reference · exploit, vdb-entry
- https://jetpack.com/2021/10/14/multiple-vulnerabilities-in-wp-fastest-cache-plugin/CVE reference
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.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.