Security readout for executives and security teams
Plain-English summary
CVE-2026-22417 is a critical vulnerability in the WordPress Grand Wedding theme by ThemeGoods. Sites running versions before 3.1.11 may allow attackers to inject malicious PHP objects through unsafe data handling. The published CVSS score is 9.8, indicating potential full compromise of confidentiality, integrity, and availability.
Executive priority
Treat this as urgent for any public WordPress site using Grand Wedding. The severity is critical and the vulnerability may allow severe site compromise. First confirm whether the theme is deployed, then upgrade or remove it promptly.
Technical view
The issue is CWE-502, deserialization of untrusted data, leading to PHP object injection in Grand Wedding versions before 3.1.11. The CVSS vector indicates network access, low complexity, no privileges, and no user interaction required. Public sources do not provide exploit mechanics or prerequisite configuration details.
Likely exposure
Exposure is likely limited to WordPress sites using the ThemeGoods Grand Wedding theme below version 3.1.11. Organizations should not assume exposure without confirming installed theme presence and version.
Exploitation context
The CVE is not listed as KEV in the provided data, and no cited source confirms active exploitation. The CVSS vector suggests remote unauthenticated exploitation may be possible, but public details are limited.
Researcher notes
Evidence is limited to the CVE record and Patchstack entry. The affected range is before 3.1.11, with CVSS 9.8. No public exploit details, active exploitation confirmation, or detailed vulnerable code path are included in the provided sources.
Mitigation direction
- Upgrade Grand Wedding to version 3.1.11 or later if available from the vendor.
- If immediate upgrade is not possible, check vendor and Patchstack guidance for supported mitigations.
- Remove or disable the theme where it is unused.
- Prioritize internet-facing WordPress sites for remediation.
Validation and detection
- Inventory WordPress sites for the Grand Wedding theme.
- Confirm the installed Grand Wedding version on each site.
- Flag any installation below 3.1.11 as vulnerable.
- Review vendor or Patchstack advisories for updated remediation details.
- Monitor logs for unusual WordPress or theme-related activity.
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-2026-22417 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.