Security readout for executives and security teams
Plain-English summary
CVE-2023-49186 is a high-severity cross-site scripting issue in the WordPress Machic Core plugin. Affected sites running versions through 1.2.6 could expose users to malicious script execution if a user is tricked into interacting with crafted content. No source provided indicates known active exploitation.
Executive priority
Treat this as a near-term WordPress plugin risk if Machic Core is present. It is high severity but requires user interaction, and no active exploitation is cited. Focus first on public-facing WordPress sites and any sites handling customer or administrator sessions.
Technical view
The CVE describes improper input neutralization in KlbTheme Machic Core, categorized as CWE-79. The record describes DOM-based XSS, while the title says reflected XSS. CVSS 3.1 is 7.1 with network access, low complexity, no privileges required, and user interaction required.
Likely exposure
Exposure is limited to WordPress environments using KlbTheme Machic Core versions up to and including 1.2.6. The provided data does not include CPEs, install counts, a fixed version, or detailed vulnerable parameters.
Exploitation context
The CVSS vector indicates exploitation is remote and does not require authentication, but it does require user interaction. The potential impact is low confidentiality, integrity, and availability loss with changed scope. CISA KEV status is false in the provided bundle.
Researcher notes
There is a wording inconsistency: the title says reflected XSS, while the description says DOM-based XSS. The supplied sources do not identify a vulnerable parameter, proof of concept, fixed release, or exploit-in-the-wild evidence. Validate only in authorized environments.
Mitigation direction
- Inventory WordPress sites for the Machic Core plugin and version.
- Prioritize review of installations at or below version 1.2.6.
- Check KlbTheme and Patchstack guidance for patched versions or vendor mitigations.
- Temporarily disable the plugin if business risk outweighs operational need.
- Apply general WordPress hardening and restrict administrative access.
Validation and detection
- Confirm whether Machic Core is installed on each WordPress site.
- Record the installed plugin version and compare against 1.2.6.
- Review vendor or Patchstack advisories for remediation status.
- Check web logs and security tooling for unusual XSS-related alerts.
- Verify remediation by confirming the plugin is updated, removed, or disabled.
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.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-49186 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
- High
- CVSS
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L2.83.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Source materials
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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.