Security readout for executives and security teams
Plain-English summary
CVE-2018-9864 affects the WP Live Chat Support plugin for WordPress before version 8.0.06. A visitor-supplied Name value could be stored as script content and later run in another user's browser. This is mainly a risk to WordPress site administration, visitor trust, and session integrity.
Executive priority
Prioritize remediation for public WordPress sites using this plugin. This is not evidenced as actively exploited, but stored XSS can affect administrators and can support broader site compromise depending on privileges and session protections.
Technical view
The source bundle describes a stored cross-site scripting issue in the plugin's Name field. Affected scope is WP Live Chat Support before 8.0.06. No CVSS, CWE, or detailed product CPE data is provided, so severity must be judged from vulnerability class and deployment context.
Likely exposure
Exposure is likely limited to WordPress sites running WP Live Chat Support versions earlier than 8.0.06, especially where public chat intake is enabled. The bundle does not identify affected forks, renamed packages, or hosted service variants.
Exploitation context
The CISA KEV flag is false, and the provided sources do not claim active exploitation. Public blog and video references indicate the issue was publicly documented, but the bundle does not provide evidence of widespread exploitation.
Researcher notes
The bundle contains sparse metadata: no CVSS, CWE, CPE, or official vendor advisory text beyond references. Validate against the WordPress plugin changelog and local installed version. Avoid assuming impact beyond stored XSS via the Name field.
Mitigation direction
- Upgrade WP Live Chat Support to version 8.0.06 or later.
- If upgrade is not possible, disable or remove the plugin until remediated.
- Review vendor/plugin guidance for any additional cleanup instructions.
- Restrict WordPress administrator access to trusted networks where feasible.
Validation and detection
- Inventory WordPress sites for WP Live Chat Support installations.
- Confirm installed plugin versions are 8.0.06 or later.
- Review chat records for suspicious Name values without executing content.
- Check WordPress admin activity logs for unusual sessions or changes.
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-2018-9864 mapping review
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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://wordpress.org/plugins/wp-live-chat-support/#developersCVE reference · x_refsource_MISC
- https://www.youtube.com/watch?v=eHG1pWaez9wCVE reference · x_refsource_MISC
- https://www.gubello.me/blog/wp-live-chat-support-8-0-05-stored-xss/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.