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CVE Record

CVE-2015-9372: Membership Add-on for iThemes Exchange before 1.3.0 for WordPress has XSS via add_query_arg() and remove_qu...

Membership Add-on for iThemes Exchange before 1.3.0 for WordPress has XSS via add_query_arg() and remove_query_arg().

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE concerns a cross-site scripting issue in the Membership Add-on for iThemes Exchange for WordPress before version 1.3.0. If the vulnerable plugin is present, attacker-supplied script could run in a victim’s browser. The public bundle does not provide CVSS, confirmed exploitation, or detailed prerequisites.

Executive priority

Prioritize remediation for public WordPress sites that run this plugin, especially where administrators frequently browse authenticated pages. Business urgency is moderate in practice but formally uncertain because severity, exploitation status, and prerequisites are not specified in the provided sources.

Technical view

The vulnerability is described as XSS caused by unsafe use of WordPress add_query_arg() and remove_query_arg() helpers in Membership Add-on for iThemes Exchange before 1.3.0. The record does not identify a specific endpoint, role requirement, payload condition, CWE, or CVSS vector.

Likely exposure

Exposure is limited to WordPress installations running the Membership Add-on for iThemes Exchange earlier than 1.3.0. The source bundle does not provide CPEs or broader affected product metadata, so confirm through plugin inventory rather than name matching alone.

Exploitation context

The CVE is not listed as CISA KEV in the supplied bundle, and no cited source in the bundle states active exploitation. Public references indicate a coordinated WordPress plugin security update, but exploitation details are not included here.

Researcher notes

The useful confirmed facts are narrow: plugin name, vulnerable version boundary, XSS class, and implicated helper functions. Missing data includes vulnerable route, authentication requirements, attack vector, CVSS, and patch details beyond the before-1.3.0 boundary.

Mitigation direction

  • Inventory WordPress sites for the affected Membership Add-on.
  • Upgrade affected plugin installations to 1.3.0 or later if available.
  • Check iThemes vendor guidance for current remediation details.
  • Remove the plugin where it is unused or unsupported.
  • Review WordPress admin accounts for suspicious recent activity.

Validation and detection

  • Confirm whether the plugin is installed on each WordPress site.
  • Record the installed plugin version and compare it with 1.3.0.
  • Review vendor release notes or advisory status for the installed version.
  • Check web and WordPress logs for suspicious script-like requests.
  • Verify no vulnerable copies remain in staging or backups.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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CVE-2015-9372 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.