Security readout for executives and security teams
Plain-English summary
CVE-2025-48106 is a critical file-upload flaw in the WordPress Clanora theme from CMSSuperHeroes. A vulnerable site may allow unauthenticated attackers to upload dangerous files, potentially leading to full site compromise. The public sources do not show confirmed active exploitation.
Executive priority
High priority for any organization running Clanora on public WordPress sites. The vulnerability’s potential impact is site takeover-level, and remediation should be handled urgently, while avoiding claims of active exploitation unless new evidence appears.
Technical view
The issue is CWE-434: unrestricted upload of dangerous file types in Clanora before version 1.3.1. The CVSS 3.1 score is 10.0 with network access, low complexity, no privileges, no user interaction, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
WordPress sites using the CMSSuperHeroes Clanora theme below 1.3.1 are the likely exposed population. The CVE record’s structured affected data is limited, so confirm installed theme identity and version locally.
Exploitation context
The scoring indicates unauthenticated remote exploitation may be possible without user interaction. The sources do not provide exploit code, real-world exploitation evidence, or inclusion in CISA KEV. Treat exposed internet-facing WordPress sites as urgent due to likely compromise impact.
Researcher notes
Public detail is sparse beyond the CVE and Patchstack entry. The version boundary indicates exposure below 1.3.1, but the CVE affected-version metadata is not deeply descriptive. No KEV listing or cited exploitation report is provided in the source bundle.
Mitigation direction
- Update Clanora to version 1.3.1 or later, if available.
- Check CMSSuperHeroes or Patchstack guidance for any additional required remediation.
- Prioritize internet-facing WordPress sites using Clanora below 1.3.1.
- If updating is not possible, evaluate removing the theme from production exposure.
Validation and detection
- Inventory WordPress sites for the Clanora theme.
- Confirm the installed Clanora version on each site.
- Flag any Clanora installation below version 1.3.1.
- Review upload locations for unexpected executable or suspicious files.
- Check web and application logs for unusual upload 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-434: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection 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 lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2025-48106 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
- 10 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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:C/C:H/I:H/A:H3.96Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
10CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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.
Unrestricted Upload of File with Dangerous Type
Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.