Security readout for executives and security teams
Plain-English summary
CVE-2026-25029 is a critical vulnerability in the WordPress KIDZ theme through version 5.24. It involves unsafe handling of serialized data, which can allow PHP object injection. The CVSS score is 9.8, indicating potential full compromise of confidentiality, integrity, and availability if exploitable on a site.
Executive priority
Treat this as urgent for any public WordPress site using KIDZ. The available rating indicates a potential unauthenticated remote compromise path. Assign immediate inventory and remediation tracking, but avoid claims of active exploitation unless new authoritative sources confirm it.
Technical view
The issue is CWE-502, Deserialization of Untrusted Data, in park_of_ideas KIDZ. The CVSS vector indicates network access, low complexity, no privileges, and no user interaction. Public sources identify affected versions as KIDZ through 5.24. No technical exploit path or fixed version is included in the provided sources.
Likely exposure
WordPress sites with the KIDZ theme installed, especially versions 5.24 or earlier, should be considered potentially exposed. Exposure may exist even if the theme is installed but not actively used, depending on how WordPress loads theme code.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. The risk is still high because the vulnerability is remotely reachable per CVSS and requires no authentication or user interaction.
Researcher notes
Sources identify unsafe deserialization but do not describe the vulnerable parameter, gadget chain, proof of concept, exploit maturity, or fixed release. Validate exposure through theme versioning and vendor intelligence rather than assumptions. CVSS indicates worst-case impact across confidentiality, integrity, and availability.
Mitigation direction
- Inventory WordPress sites for the KIDZ theme and version.
- Prioritize sites running KIDZ 5.24 or earlier.
- Check vendor or Patchstack guidance for a fixed version or official workaround.
- If business permits, disable or replace the theme until remediation is confirmed.
- Increase monitoring for suspicious activity on affected WordPress sites.
Validation and detection
- Confirm whether KIDZ is installed on each WordPress instance.
- Record the installed KIDZ version and compare against <= 5.24.
- Check vendor and Patchstack pages for updated remediation details.
- Review security logs for unusual requests or PHP errors on affected sites.
- After remediation, verify the vulnerable theme version is no longer present.
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-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. 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-2026-25029 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.