Security readout for executives and security teams
Plain-English summary
CVE-2026-22451 is a critical vulnerability in the WordPress Handyman theme from AncoraThemes, affecting versions up to 1.4.7. The issue involves unsafe handling of serialized data, which can let an unauthenticated remote attacker impact site confidentiality, integrity, and availability. Public sources do not confirm active exploitation or name a fixed version.
Executive priority
Treat as urgent for any internet-facing WordPress site using this theme. Prioritize inventory first, then update, remove, or replace based on vendor guidance. The risk is high because the vulnerability is unauthenticated and scored critical, even though active exploitation is not confirmed in the supplied sources.
Technical view
The CVE describes CWE-502 deserialization of untrusted data in the Handyman theme package handyman-services, enabling PHP object injection. CVSS 3.1 is 9.8 with network access, low complexity, no privileges, and no user interaction. The public record does not provide endpoint details, exploit chain specifics, or remediation version information.
Likely exposure
Exposure is likely limited to WordPress sites with the AncoraThemes Handyman theme installed, especially versions 1.4.7 and earlier. Both active and inactive installed themes should be reviewed because vulnerable code may remain present on the server.
Exploitation context
The CVSS vector indicates the flaw is remotely reachable without authentication or user interaction. However, the provided sources do not state that exploitation is active, and the CVE is not listed as KEV in the supplied data. No exploit details are included in the public bundle.
Researcher notes
Public details are sparse. The record confirms CWE-502 PHP object injection and broad CVSS impact, but does not disclose the vulnerable code path, required object chain, proof of concept, or fixed version. Avoid assuming exploitability beyond the published CVSS and Patchstack/CVE statements.
Mitigation direction
- Identify all WordPress sites using the AncoraThemes Handyman theme.
- Check vendor, theme marketplace, and Patchstack guidance for an official fixed release.
- Update the theme if a fixed version is available from trusted sources.
- If no fix is available, remove or replace the theme where business impact allows.
- Ensure recent WordPress and hosting backups are available and restorable.
Validation and detection
- Inventory installed WordPress themes across production, staging, and legacy sites.
- Confirm whether Handyman theme version is 1.4.7 or earlier.
- Check whether the theme is active or present but inactive.
- Review vendor and Patchstack pages for updated remediation details.
- Review security logs for unusual WordPress requests, without treating absence as proof of safety.
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-2026-22451 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.