Security readout for executives and security teams
Plain-English summary
UltimateAI for WordPress through version 3.1.0 reportedly lets a subscriber-level user upload arbitrary files. Depending on server handling and file placement, this could support website compromise, data theft, modification, or disruption. The provided sources do not confirm active exploitation.
Executive priority
Treat as an immediate remediation priority on affected internet-facing sites, especially those allowing subscriber registration. Confirm exposure, contain access, and seek authoritative update guidance. Escalate incident review if unexpected files or suspicious subscriber activity are found.
Technical view
This is a CWE-434 unrestricted file-upload vulnerability reachable over the network with low privileges, low complexity, and no user interaction. Its CVSS 3.1 score is 9.9 with changed scope and high confidentiality, integrity, and availability impacts. The supplied evidence identifies UltimateAI versions through 3.1.0 but does not describe the vulnerable endpoint or prerequisites beyond subscriber access.
Likely exposure
Potentially exposed systems are WordPress installations running UltimateAI 3.1.0 or earlier where an attacker can obtain subscriber-level access. Risk increases when public registration or untrusted subscriber accounts exist. The supplied affected-product metadata is incomplete, so administrators should confirm installed versions directly.
Exploitation context
The CVE is not listed as KEV in the supplied bundle, and no cited source confirms exploitation in the wild. Exploitation requires subscriber-level privileges but no victim interaction. Arbitrary upload may produce severe consequences where uploaded files can be accessed or interpreted dangerously by the server.
Researcher notes
Public detail is limited to the vulnerability class, affected-version claim, privilege requirement, and CVSS vector. The bundle does not identify the endpoint, file restrictions, upload destination, fixed version, vendor advisory, or observed attacks. Its structured affected entry also lists an unspecified version and default-unaffected status, warranting cautious product matching.
Mitigation direction
- Identify and prioritize every WordPress site running UltimateAI 3.1.0 or earlier.
- Check vendor and Patchstack guidance for a confirmed fixed release; none is named in the supplied sources.
- Deactivate or remove the plugin until authoritative remediation is confirmed, where business operations permit.
- Restrict subscriber registration and revoke unnecessary or suspicious subscriber accounts.
- Apply least-privilege filesystem and web-server controls to limit consequences from uploaded files.
Validation and detection
- Record the installed UltimateAI version on every WordPress instance.
- Determine whether untrusted users can create or retain subscriber-level accounts.
- Review upload locations and plugin-accessible directories for unexpected or recently added files.
- Examine authentication, HTTP, and application logs for suspicious subscriber activity and upload requests.
- After remediation, verify low-privilege accounts cannot perform unintended file uploads.
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-2026-32559 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
- 9.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/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.
SSVC decision data
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:C/C:H/I:H/A:H3.16PatchstackVulnerability scoring details
Base CVSS 3.1 score
9.9CriticalVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://patchstack.com/database/wordpress/plugin/ultimate_ai/vulnerability/wordpress-ultimateai-plugin-3-1-0-arbitrary-file-upload-vulnerability?_s_id=cveCVE reference, Patchstack · vdb-entry
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.