Security readout for executives and security teams
Plain-English summary
This is a critical flaw in a WordPress security plugin. An unauthenticated attacker could abuse a template-rendering parameter to include server-side PHP files. If exploitable on a site, it could lead to full compromise of confidentiality, integrity, and availability.
Executive priority
Treat as urgent for any public WordPress site using the affected plugin. Prioritize discovery and update because successful exploitation could turn a defensive plugin into a path for site takeover.
Technical view
CVE-2023-6989 is a local file inclusion issue in Shield Security for WordPress through version 18.5.9, tied to the render_action_template parameter. The CVSS 3.1 score is 9.8. The source says unauthenticated attackers may include and execute PHP files already present on the server.
Likely exposure
Exposure is limited to WordPress installations running Shield Security through 18.5.9. Sites without this plugin, or running versions confirmed fixed by vendor guidance, are not indicated as affected by the provided sources.
Exploitation context
The provided bundle does not show CISA KEV listing or cite active exploitation. The vulnerability is still high urgency because it is unauthenticated, network-reachable, low complexity, and affects a security plugin commonly exposed on WordPress sites.
Researcher notes
The source bundle identifies CWE-98 and the vulnerable parameter but does not provide a detailed exploit chain, exact fixed release, or exploitation telemetry. Avoid assuming active exploitation without additional evidence from KEV or a cited threat source.
Mitigation direction
- Inventory WordPress sites for the Shield Security plugin.
- Update affected installations beyond 18.5.9 when vendor guidance confirms the fix.
- If immediate update is impossible, disable the plugin pending vendor guidance.
- Review WordPress and web server logs for suspicious template-inclusion activity.
- Check the vendor advisory and WordPress plugin changeset before deployment.
Validation and detection
- Confirm each WordPress site’s installed Shield Security version.
- Flag any installation running version 18.5.9 or earlier.
- Verify the plugin is updated or disabled on affected sites.
- Review logs for requests involving render_action_template.
- Check for unexpected PHP files or recent unauthorized site changes.
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-98: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupCVE-2023-6989 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/063826cc-7ff3-4869-9831-f6a4a4bbe74c?source=cveCVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3013699%40wp-simple-firewall&new=3013699%40wp-simple-firewall&sfp_email=&sfph_mail=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 Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.