CVE-2025-23858: WordPress Custom Users Order Plugin <= 4.2 - Reflected Cross Site Scripting (XSS) vulnerability
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Hiren Patel Custom Users Order custom-users-order allows Reflected XSS.This issue affects Custom Users Order: from n/a through <= 4.2.
Security readout for executives and security teams
Plain-English summary
CVE-2025-23858 is a reflected cross-site scripting issue in the WordPress Custom Users Order plugin through version 4.2. An attacker could trick a user into opening a crafted link, causing script execution in that user’s browser. Business risk depends on where the plugin is installed and which users can be targeted.
Executive priority
Treat as a high-priority WordPress plugin issue for affected sites, especially where administrators may be targeted by phishing. Validate exposure first; the provided sources do not prove active exploitation or identify a specific fixed version.
Technical view
The CVE describes CWE-79 improper input neutralization during web page generation in Hiren Patel Custom Users Order. CVSS 3.1 is 7.1: network exploitable, low complexity, no privileges required, user interaction required, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites running Custom Users Order version 4.2 or earlier. The provided data does not confirm whether the vulnerable functionality is public-facing, admin-only, or broadly reachable.
Exploitation context
No CISA KEV listing is provided, and the source bundle does not show active exploitation. Exploitation requires user interaction, typically convincing a target to open a maliciously crafted request that triggers reflected script execution.
Researcher notes
The record is based on CVE and Patchstack metadata. Key missing details include vulnerable parameter, affected endpoint, fixed version, and exploit observations. Avoid assuming exploitability beyond the CVSS vector and reflected XSS classification.
Mitigation direction
Inventory WordPress sites for the Custom Users Order plugin.
Identify installed plugin versions and flag version 4.2 or earlier.
Check Patchstack and vendor guidance for fixed versions or official mitigations.
If no fix is available, consider disabling or removing the plugin where business impact allows.
Prioritize sites with privileged WordPress users or externally reachable login/admin workflows.
Validation and detection
Confirm whether Custom Users Order is installed on each WordPress instance.
Verify plugin version against the affected range: through 4.2.
Review vendor or Patchstack advisories for remediation status before closing.
Monitor web and WordPress logs for suspicious requests targeting plugin pages or parameters.
Document compensating controls if the plugin cannot be updated or removed.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
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 · medium confidence lookup
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.
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.
We 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.