Security readout for executives and security teams
Plain-English summary
CVE-2025-23606 is a reflected cross-site scripting issue in the WordPress Calendi plugin through version 1.1.1. An attacker could trick a user into opening a crafted link that makes the site run attacker-controlled script in that user's browser. The main business risk is account/session abuse, data exposure, or site trust damage if administrators or customers are targeted.
Executive priority
Treat this as a high-priority web application hygiene issue for WordPress estates, especially where administrators use the affected site. It is not evidenced as actively exploited in the provided sources, but reflected XSS can support credential, session, and trust-impacting attacks when users are lured into malicious interactions.
Technical view
The sources describe CWE-79 improper input neutralization during web page generation in sebkay Calendi for WordPress, affecting versions through 1.1.1. CVSS 3.1 is 7.1: network exploitable, low complexity, no privileges required, user interaction required, and scope changed, with low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites with the Calendi plugin installed at version 1.1.1 or earlier. The provided sources do not identify specific vulnerable endpoints, payloads, or deployment conditions, so owners should verify plugin presence and version before treating a site as affected.
Exploitation context
The CVE is not marked as CISA KEV in the provided bundle, and no cited source states active exploitation. The CVSS vector indicates exploitation requires user interaction, typically a victim following attacker-supplied content. No exploit maturity, public proof-of-concept, or in-the-wild activity is provided.
Researcher notes
The useful technical evidence is limited to the CVE description, CVSS vector, CWE-79 classification, affected range through 1.1.1, and Patchstack listing. No endpoint, parameter, payload, patch version, or exploit status is included in the supplied bundle, so validation should focus on asset inventory and vendor advisory tracking.
Mitigation direction
- Inventory WordPress sites for the Calendi plugin and record installed versions.
- Check vendor or Patchstack guidance for a fixed version or official remediation.
- Apply any vendor-provided update if available and compatible.
- Disable or remove Calendi where it is not required pending remediation.
- Prioritize protection for administrator-facing workflows and authenticated sessions.
Validation and detection
- Confirm whether each WordPress site has Calendi installed.
- Verify installed Calendi versions are not 1.1.1 or earlier.
- Review vulnerability-management tools for CVE-2025-23606 detection coverage.
- After remediation, rescan plugin inventory and vulnerability findings.
- Document sites where no vendor fix is available and track compensating actions.
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-2025-23606 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.
SSVC decision data
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:L2.83.7PatchstackVulnerability 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
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://patchstack.com/database/Wordpress/Plugin/calendi/vulnerability/wordpress-calendi-plugin-1-1-1-reflected-cross-site-scripting-xss-vulnerability?_s_id=cveCVE reference, Patchstack · vdb-entry
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.