Security readout for executives and security teams
Plain-English summary
CVE-2026-25394 is a medium-severity access control issue in the WordPress Fitness FSE theme through version 1.0.6. A logged-in user may be able to perform actions they should not be allowed to perform, causing limited integrity impact. Public sources do not indicate active exploitation.
Executive priority
Prioritize this for WordPress environments that use Fitness FSE and allow user accounts. It is not currently evidenced as actively exploited or critical, but access-control flaws can enable unauthorized site changes and reputational impact. Address during normal vulnerability remediation cycles, faster for high-visibility public sites.
Technical view
The CVE describes CWE-862 Missing Authorization in sparklewpthemes Fitness FSE, package fitness-fse, affecting versions up to and including 1.0.6. CVSS 3.1 is 4.3: network exploitable, low complexity, low privileges required, no user interaction, unchanged scope, low integrity impact, no confidentiality or availability impact.
Likely exposure
Exposure is limited to WordPress sites using the Fitness FSE theme at version 1.0.6 or earlier. The vulnerability requires an authenticated low-privilege user, so sites allowing public registration or many contributor-level accounts have higher practical risk.
Exploitation context
The source bundle does not provide exploit details, proof-of-concept status, or evidence of exploitation in the wild. It is not listed as CISA KEV in the provided data. Treat it as a misuse-of-permissions risk rather than an unauthenticated takeover issue.
Researcher notes
Public detail is sparse. The CVE and Patchstack entry identify missing authorization but do not specify the vulnerable function or endpoint in the provided bundle. Avoid assuming broader impact beyond low integrity impact and low-privilege authenticated exploitation until vendor or researcher details are available.
Mitigation direction
- Identify WordPress sites using the Fitness FSE theme.
- Check whether Fitness FSE is version 1.0.6 or earlier.
- Review Patchstack and vendor guidance for fixed versions or recommended mitigations.
- Limit unnecessary low-privilege WordPress accounts until remediation is confirmed.
- Remove or replace the theme if it is unused.
Validation and detection
- Inventory installed WordPress themes across production and staging sites.
- Confirm the active or installed Fitness FSE version.
- Review user registration settings and low-privilege account exposure.
- Check security monitoring for unexpected content or settings changes by low-privilege users.
- Document remediation status against vendor or Patchstack guidance.
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-2026-25394 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:N/I:L/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:N/I:L/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:N/I:L/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.