Security readout for executives and security teams
Plain-English summary
CVE-2018-11105 is a stored cross-site scripting flaw in the WP Live Chat Support WordPress plugin before 8.0.08. A malicious chat starter could place script content in name or email fields that later affects an administrator viewing the chat.
Executive priority
Prioritize remediation on any public WordPress site using this plugin. The issue is not listed as actively exploited, but stored XSS against administrators can create account and site-management risk.
Technical view
The vulnerable endpoint is wp-json/wp_live_chat_support/v1/start_chat. The issue involves insufficient handling of wplc_name and wplc_email, and is noted as an incomplete fix for CVE-2018-9864. No CVSS score or CWE is provided in the bundle.
Likely exposure
Exposure is limited to WordPress sites running the WP Live Chat Support plugin before version 8.0.08, especially where public visitors can initiate chats reviewed by administrators.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. Exploitation requires submitting malicious chat identity data and an administrator viewing the stored chat content.
Researcher notes
The bundle lacks CVSS, CWE, and detailed vendor remediation text. Analysis is based on the CVE description, WordPress plugin reference, and public write-up reference only.
Mitigation direction
- Upgrade WP Live Chat Support to version 8.0.08 or later if still installed.
- Disable the plugin until upgraded if live chat is not business-critical.
- Check current vendor guidance before making production changes.
- Restrict administrator access to trusted staff and hardened browsers.
Validation and detection
- Inventory WordPress sites for the WP Live Chat Support plugin and version.
- Confirm no active install is older than 8.0.08.
- Review web logs for wp-json/wp_live_chat_support/v1/start_chat activity.
- Inspect recent chat records for suspicious name or email content.
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
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CVE-2018-11105 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://github.com/RiieCco/write-ups/tree/master/CVE-2018-11105CVE 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.