Security readout for executives and security teams
Plain-English summary
This is a stored cross-site scripting issue in the WordPress Calculated Fields Form plugin. An administrator could save malicious script into plugin settings, causing it to run for users who view the affected page. Business urgency is limited by the high privilege requirement and narrow affected configurations, but exposed WordPress sites should still update and review settings.
Executive priority
Treat this as a moderate WordPress hygiene issue. It is not currently evidenced as exploited in the provided sources, but it can turn administrator misuse or account compromise into persistent browser-side impact for site users.
Technical view
CVE-2023-6446 affects Calculated Fields Form through version 1.2.40. The issue is insufficient input sanitization and output escaping in admin settings, mapped to CWE-87. The CVSS 3.1 score is 4.4, with network reachability, high attack complexity, high privileges required, changed scope, and low confidentiality and integrity impact.
Likely exposure
Exposure is limited to WordPress installations using Calculated Fields Form up to 1.2.40. The source states it only affects multisite installations and installations where unfiltered_html has been disabled.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires an authenticated attacker with administrator-level permissions or higher, making it more relevant to compromised admin accounts, delegated admin roles, or multisite governance issues.
Researcher notes
Focus validation on affected configuration, privilege boundaries, and stored output paths. The source bundle identifies admin settings as the injection vector but does not provide detailed exploit mechanics. Avoid assuming broader unauthenticated exposure or affected products beyond Calculated Fields Form.
Mitigation direction
- Inventory WordPress sites for Calculated Fields Form through version 1.2.40.
- Update the plugin according to WordPress or vendor guidance.
- Restrict plugin administration to trusted administrators only.
- Review multisite role assignments and delegated administrator access.
- Inspect affected plugin settings and pages for unexpected scripts.
Validation and detection
- Confirm whether each WordPress site runs Calculated Fields Form.
- Record installed plugin versions and compare against 1.2.40.
- Check whether the site is multisite or has unfiltered_html disabled.
- Review plugin settings for unexpected HTML or script content.
- Verify updated installations no longer expose unsafe saved settings.
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-87: 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-2023-6446 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
- Medium
- CVSS
- 4.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
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:H/PR:H/UI:N/S:C/C:L/I:L/A:N1.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.4MediumVector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Source materials
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 Alternate XSS Syntax
Improper Neutralization of Alternate XSS Syntax represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.