Security readout for executives and security teams
Plain-English summary
This issue affects the Invoices Add-on for iThemes Exchange on WordPress before version 1.4.0. It is a cross-site scripting flaw, meaning an attacker could cause malicious script to run in a user’s browser. The source bundle does not provide CVSS, affected endpoints, or evidence of active exploitation.
Executive priority
Treat this as a targeted hygiene item for legacy WordPress estates, not an emergency. Patch or remove the affected add-on during normal vulnerability remediation unless local exposure is high.
Technical view
CVE-2015-9370 is an XSS vulnerability in the Invoices Add-on for iThemes Exchange before 1.4.0, associated with unsafe use of WordPress add_query_arg() and remove_query_arg(). The public record does not include CWE, CVSS, exploitability details, or precise vulnerable routes.
Likely exposure
Exposure is likely limited to WordPress sites that installed and enabled the Invoices Add-on for iThemes Exchange before 1.4.0. The bundle does not identify affected CPEs, endpoint paths, or required privileges.
Exploitation context
The source bundle does not show CISA KEV listing or other evidence of active exploitation. Risk should be assessed as a WordPress plugin XSS issue with incomplete public technical detail.
Researcher notes
The record is sparse: no CVSS, CWE, CPEs, vulnerable endpoint, or exploit prerequisites are provided. The strongest grounded facts are product, version boundary, vulnerability class, and the WordPress API functions named in the title and description.
Mitigation direction
- Upgrade the Invoices Add-on for iThemes Exchange to version 1.4.0 or later.
- Disable or remove the add-on where it is no longer required.
- Review vendor and Sucuri advisories for any additional operational guidance.
- Prioritize public WordPress sites and sites with untrusted user access.
Validation and detection
- Inventory WordPress sites for the Invoices Add-on for iThemes Exchange.
- Confirm installed versions are 1.4.0 or later.
- Check whether the add-on is enabled on public-facing sites.
- Review logs for unusual requests around plugin invoice pages, without assuming 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.
CVE-2015-9370 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://blog.sucuri.net/2015/04/security-advisory-xss-vulnerability-affecting-multiple-wordpress-plugins.htmlCVE reference · x_refsource_MISC
- https://ithemes.com/coordinated-wordpress-plugin-security-update/CVE reference · x_refsource_MISC
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.