Security readout for executives and security teams
Plain-English summary
CVE-2026-24353 affects the WordPress User Registration plugin by wpeverest through version 4.4.9. A logged-in low-privilege user may be able to run arbitrary WordPress shortcodes without proper authorization. Business risk is mainly unintended information exposure, especially on sites allowing public account registration.
Executive priority
Treat as a moderate priority. Prioritize public-facing WordPress sites where anyone can register an account, especially customer portals or membership sites that may expose sensitive information through shortcodes.
Technical view
The issue is a missing authorization flaw, mapped to CWE-862, in the user-registration WordPress plugin. The CVSS 3.1 score is 4.3: network reachable, low attack complexity, low privileges required, no user interaction, low confidentiality impact, and no integrity or availability impact stated.
Likely exposure
Exposure is likely limited to WordPress sites running User Registration plugin version 4.4.9 or earlier. Risk increases if the site allows untrusted users to create accounts, because the CVSS vector requires low privileges rather than administrator access.
Exploitation context
The provided sources do not report active exploitation, and the CVE is not listed as CISA KEV. The practical concern is misuse by authenticated users to trigger shortcodes that the site did not intend them to access.
Researcher notes
Evidence is limited to the CVE record and Patchstack advisory reference. The bundle does not name a fixed version, exploit availability, or detailed vulnerable endpoint. Avoid assuming impact beyond arbitrary shortcode execution and low confidentiality impact.
Mitigation direction
- Identify all WordPress sites using the User Registration plugin.
- Check whether plugin version is 4.4.9 or earlier.
- Consult wpeverest or Patchstack guidance for the fixed version or recommended mitigation.
- Restrict untrusted user registration where not business-critical.
- Review shortcode usage for sensitive data exposure.
Validation and detection
- Inventory plugin versions across production and staging WordPress sites.
- Confirm whether public or low-trust user registration is enabled.
- Review application logs for unusual authenticated shortcode-related activity.
- Verify remediation against vendor or Patchstack advisory details.
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-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2026-24353 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
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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:U/C:L/I:N/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.