Security readout for executives and security teams
Plain-English summary
ThemeFarmer Ultimate Subscribe for WordPress is reported vulnerable through version 1.3. A crafted cross-site request could lead to reflected XSS if a user interacts with it. This can expose limited data or allow limited changes in the browser context. The source bundle does not identify active exploitation or a confirmed fixed version.
Executive priority
Treat as a high-priority WordPress plugin exposure check, not an emergency exploitation event. Focus on identifying affected sites, confirming vendor remediation, and reducing unnecessary plugin exposure. Escalate if the plugin is used on high-traffic or privileged administrative workflows.
Technical view
The CVE describes CSRF leading to reflected cross-site scripting in the WordPress Ultimate Subscribe plugin. CVSS 3.1 is 7.1 with network access, low complexity, no privileges, required user interaction, changed scope, and low confidentiality, integrity, and availability impact. Version metadata is inconsistent: the title states <=1.3, while the affected entry lists version 0.
Likely exposure
Exposure is likely limited to WordPress sites using ThemeFarmer Ultimate Subscribe, especially installations at or below version 1.3. The bundle provides no CPEs, install base, hosting indicators, or evidence of exposure outside WordPress plugin deployments.
Exploitation context
The source bundle marks KEV as false and provides no cited evidence of active exploitation. Exploitation requires user interaction. The sources do not provide exploit maturity, public proof-of-concept status, or attacker targeting details.
Researcher notes
Do not overstate impact beyond reflected XSS via CSRF. The CVE data lacks proof-of-concept details, exploit telemetry, and a named patch. The affected-version metadata should be handled carefully because the structured affected field conflicts with the title and description.
Mitigation direction
- Inventory WordPress sites for the Ultimate Subscribe plugin and recorded version.
- Check ThemeFarmer and Patchstack guidance for a confirmed fixed or safe version.
- Do not assume an upgrade path without vendor confirmation.
- Disable unused Ultimate Subscribe installations to reduce exposure.
- Prioritize remediation on public or administrator-facing WordPress sites.
Validation and detection
- Confirm whether Ultimate Subscribe is installed on each WordPress site.
- Record installed plugin versions and compare against the <=1.3 advisory scope.
- Review web application logs for unusual requests to plugin-related endpoints.
- Verify whether vendor or Patchstack guidance identifies a maintained fixed release.
- Confirm KEV remains false before reporting active exploitation.
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-352: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2025-23806 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
- High
- CVSS
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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:R/S:C/C:L/I:L/A:L2.83.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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.
Cross-Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.