Security readout for executives and security teams
Plain-English summary
CVE-2023-6781 is a stored cross-site scripting flaw in the WordPress Orbit Fox plugin. A logged-in user with Contributor or higher privileges could save script content through plugin custom fields, causing code to run when someone views the affected page.
Executive priority
Treat as a moderate-priority WordPress hygiene issue. It is not described as actively exploited, but sites with shared author access should remediate promptly because stored XSS can affect privileged users who view compromised content.
Technical view
Orbit Fox by ThemeIsle versions up to and including 2.10.26 insufficiently sanitize and escape user-supplied custom field values. The flaw is authenticated, low-complexity, network-accessible stored XSS with changed scope and limited confidentiality and integrity impact.
Likely exposure
Exposure is likely limited to WordPress sites running Orbit Fox at version 2.10.26 or earlier, especially where Contributor-level accounts are granted to untrusted users or many content authors.
Exploitation context
The source bundle does not show active exploitation, and the CVE is not listed as KEV. Abuse requires valid Contributor-or-higher credentials, but successful injection could execute when another user views the affected page.
Researcher notes
Primary weakness is insufficient input sanitization and output escaping in Orbit Fox custom fields. The available evidence identifies affected versions through 2.10.26 and references WordPress Trac code and changeset material, but the bundle does not name a specific fixed release.
Mitigation direction
- Update Orbit Fox to a vendor-released version newer than 2.10.26, if available.
- If no update is available, check ThemeIsle and WordPress plugin guidance.
- Restrict Contributor and higher roles to trusted users only.
- Review Orbit Fox custom fields for unexpected script-like content.
- Temporarily disable affected plugin functionality if update guidance is unavailable.
Validation and detection
- Inventory WordPress sites for the Orbit Fox plugin and installed version.
- Confirm no production site runs Orbit Fox 2.10.26 or earlier.
- Review Contributor-or-higher accounts for unnecessary access.
- Inspect affected pages and custom fields for suspicious stored content.
- Confirm remediation through plugin changelog or vendor advisory.
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
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ATT&CK lookup starting points
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CWE-20: Exact CWE lookup
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Open ATT&CK lookupCVE-2023-6781 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/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:L/PR:L/UI:N/S:C/C:L/I:L/A:N3.12.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/23e39019-c322-4027-84f2-faabd9ca4983?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/themeisle-companion/trunk/obfx_modules/header-footer-scripts/init.php#L315CVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3011567%40themeisle-companion%2Ftrunk&old=2991564%40themeisle-companion%2Ftrunk&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 Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.