Security readout for executives and security teams
Plain-English summary
CVE-2026-27417 is a critical vulnerability in the WordPress Sweet Date theme before 4.0.1. Public records describe unsafe deserialization that can allow PHP object injection. The CVSS score is 9.8, indicating potential full compromise impact. No provided source confirms active exploitation or CISA KEV listing.
Executive priority
Prioritize remediation within the normal critical-vulnerability SLA, especially for public WordPress sites. The business risk is potential site compromise, data exposure, or service disruption. There is no provided evidence of active exploitation, but the severity and remote attack profile justify rapid action.
Technical view
The issue is CWE-502, Deserialization of Untrusted Data, in SeventhQueen Sweet Date. The CVSS vector indicates network access, low complexity, no privileges, and no user interaction. Affected versions are reported as Sweet Date before 4.0.1. The public bundle does not provide vulnerable endpoint details, proof-of-concept behavior, or exploit prerequisites beyond CVSS metadata.
Likely exposure
Internet-facing WordPress sites using the Sweet Date theme below 4.0.1 are the primary exposure. Sites not using this theme are not indicated as affected. Exposure should be prioritized where the theme is active, publicly reachable, or present on high-value WordPress properties.
Exploitation context
The CVSS data suggests remote unauthenticated exploitation may be possible, but the provided sources do not confirm exploitation in the wild. The issue is not marked as KEV in the bundle. Treat as urgent due to critical severity and WordPress internet exposure, while avoiding assumptions about exploit availability.
Researcher notes
Public detail is limited to CVE metadata and Patchstack’s vulnerability entry. Do not assume gadget chains, endpoints, or exploit mechanics from the record alone. Validate affected deployments by theme version and monitor advisory updates for richer technical indicators or confirmed fixes.
Mitigation direction
- Identify all WordPress sites using the Sweet Date theme.
- Update Sweet Date to 4.0.1 or later if available.
- If update is unavailable, follow SeventhQueen or Patchstack guidance.
- Remove or disable unused Sweet Date installations.
- Prioritize internet-facing and business-critical WordPress sites.
Validation and detection
- Confirm whether Sweet Date is installed on each WordPress site.
- Record the installed Sweet Date version.
- Flag any version below 4.0.1 as affected.
- Review vendor and Patchstack advisories for current remediation details.
- Monitor WordPress and web logs for unusual 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-2026-27417 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.