Security readout for executives and security teams
Plain-English summary
This CVE affects a WordPress payment add-on: 2Checkout Add-on for iThemes Exchange before 1.1.0. The flaw is cross-site scripting, which can let attacker-controlled script run in a user’s browser. Business urgency depends on whether the plugin is present and outdated; the source bundle does not provide CVSS or exploitation evidence.
Executive priority
Treat this as a targeted hygiene item, not an emergency based on the provided evidence. Prioritize remediation if the affected payment add-on is installed on internet-facing WordPress sites, especially where administrators or customers interact with plugin-generated pages.
Technical view
The issue is XSS in the 2Checkout Add-on for iThemes Exchange before 1.1.0, associated with unsafe use of WordPress add_query_arg() and remove_query_arg(). The provided record does not state the exact vulnerable route, attacker privileges, user interaction, or whether the XSS is reflected or stored.
Likely exposure
Likely exposure is WordPress sites running 2Checkout Add-on for iThemes Exchange earlier than 1.1.0. Exposure is not indicated for sites without the add-on, disabled installations, or version 1.1.0 and later. The bundle provides no CPEs or prevalence data.
Exploitation context
The CVE is not listed as KEV in the bundle, and the cited sources do not provide active exploitation evidence here. XSS impact usually depends on who can trigger it and which user views the affected page, but those details are not included.
Researcher notes
Evidence is sparse: no CVSS, CWE, CPE, exploit status, or vulnerable endpoint details are included. Analysis should stay anchored to plugin presence and version. Do not assume exploitability conditions beyond XSS tied to add_query_arg() and remove_query_arg().
Mitigation direction
- Update the 2Checkout add-on to version 1.1.0 or later where available.
- Check iThemes vendor guidance for any additional remediation instructions.
- Disable or remove the add-on if it is unused or cannot be updated.
- Review WordPress plugin inventory for old iThemes Exchange components.
Validation and detection
- Confirm whether WordPress has the 2Checkout add-on installed.
- Record the installed add-on version and compare it with 1.1.0.
- Review vendor advisory notes for affected versions and upgrade status.
- Check security monitoring for suspicious WordPress admin or plugin-page 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.
CVE-2015-9364 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.