Security readout for executives and security teams
Plain-English summary
CVE-2023-0162 is a stored cross-site scripting issue in the WordPress CPO Companion plugin through version 1.0.4. An administrator-level user could save malicious script in plugin content type settings, causing it to run for visitors to affected pages. Business risk is mainly from compromised or misused administrator accounts.
Executive priority
Treat as a moderate-priority WordPress hygiene issue. It is not shown as actively exploited and requires administrator privileges, but sites with weak admin controls should remediate promptly because stored XSS can persist and affect users after setup.
Technical view
The issue is CWE-79 caused by insufficient input sanitization and output escaping in several content type settings parameters. It is network-reachable, low complexity, requires high privileges, and has changed scope with limited confidentiality and integrity impact. CVSS v3.1 is 5.5.
Likely exposure
Exposure is limited to WordPress sites using CPO Companion versions up to and including 1.0.4, especially where administrator accounts are shared, weakly protected, or compromised. The provided affected metadata is sparse, so confirm installed plugin version directly.
Exploitation context
The source bundle does not show CISA KEV listing or other evidence of active exploitation. Exploitation requires administrator-level access, reducing broad external risk, but stored XSS can persist and affect later page viewers once injected.
Researcher notes
Evidence supports authenticated administrator-plus stored XSS in CPO Companion through 1.0.4. The CVE record lists CWE-79 and CVSS 5.5. The source bundle includes a WordPress changeset reference, but does not plainly name a fixed release or active exploitation.
Mitigation direction
- Check whether CPO Companion is installed and identify its exact version.
- Upgrade to a vendor-fixed release newer than 1.0.4, if available.
- If no fixed release is available, follow current vendor guidance.
- Restrict WordPress administrator access to trusted users only.
- Review administrator account security and enforce strong authentication.
Validation and detection
- Inventory WordPress sites for the CPO Companion plugin.
- Confirm no instance is running version 1.0.4 or earlier.
- Review plugin settings for unexpected script-like content.
- Check WordPress administrator accounts for compromise or unauthorized access.
- Confirm output escaping or sanitization changes are present after update.
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2023-0162 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
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/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:L/PR:H/UI:N/S:C/C:L/I:L/A:N2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/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/9195ac7e-2995-44d0-b5c6-8ffb47395f24?source=cveCVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2844012%40cpo-companion%2Ftrunk&old=2574013%40cpo-companion%2Ftrunk&sfp_email=&sfph_mail=CVE reference
- https://www.wordfence.com/threat-intel/vulnerabilities/id/9195ac7e-2995-44d0-b5c6-8ffb47395f24CVE reference · x_transferred
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 Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.