Security readout for executives and security teams
Plain-English summary
CVE-2026-2427 affects the WordPress itsukaita plugin up to version 0.1.2. A malicious link could cause script to run in an administrator’s browser if the administrator clicks it. This is not reported as actively exploited in the provided sources, but it can affect site administration sessions and should be addressed on sites using this plugin.
Executive priority
Treat as a moderate-priority WordPress plugin issue. Prioritize internet-facing business sites where administrators regularly log in. The main business concern is administrator-session compromise through social engineering, not automated server takeover based on current evidence.
Technical view
The issue is reflected cross-site scripting in itsukaita via the day_from and day_to parameters, caused by insufficient input sanitization and output escaping. It is unauthenticated, network-reachable, low complexity, and requires user interaction. CVSS 3.1 is 6.1, with changed scope and low confidentiality and integrity impact.
Likely exposure
Exposure is limited to WordPress sites with the itsukaita plugin installed, especially versions up to and including 0.1.2. The source bundle does not establish exposure for other products or platforms.
Exploitation context
An attacker must trick an administrator into taking an action such as clicking a crafted link. The provided sources do not indicate CISA KEV listing or confirmed active exploitation.
Researcher notes
Evidence points to reflected XSS at itsukaita.php around the referenced parameter handling. The CVE description names both day_from and day_to. No public source in the bundle confirms a patch, widespread exploitation, or impact beyond the itsukaita WordPress plugin.
Mitigation direction
- Inventory WordPress sites for the itsukaita plugin and its installed version.
- Check the plugin vendor or WordPress plugin page for updated remediation guidance.
- If no fixed version is available, consider disabling or removing the plugin.
- Warn administrators not to open unexpected links while authenticated to WordPress.
Validation and detection
- Confirm whether itsukaita is installed on each WordPress site.
- Record the plugin version and compare it to versions up to 0.1.2.
- Review vendor or Wordfence advisories for any newly published fixed version.
- Assess admin-facing workflows that accept day_from or day_to parameters.
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-2026-2427 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
- Medium
- CVSS
- 6.1 (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:N
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:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/a0010ee3-1016-479f-ae60-5d5900862489?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/itsukaita/trunk/itsukaita.php#L55CVE reference
- https://plugins.trac.wordpress.org/browser/itsukaita/tags/0.1.2/itsukaita.php#L55CVE reference
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.