Security readout for executives and security teams
Plain-English summary
A vulnerable WordPress plugin can let an attacker trick a logged-in site user into saving malicious content that later runs in visitors' browsers. The issue is serious for sites using Contact Form 7 Calendar version 3.0.1 or earlier, but the supplied sources do not show active exploitation or a named fixed version.
Executive priority
Treat this as a high-priority WordPress plugin risk where the plugin is present. It is not currently evidenced as mass-exploited in the supplied sources, but stored XSS can affect trust, data exposure, and site integrity.
Technical view
CVE-2025-46510 is a CWE-352 CSRF issue in harrysudana Contact Form 7 Calendar (cf7-calendar) through 3.0.1 that can lead to stored XSS. CVSS 3.1 is 7.1: network attack vector, low complexity, no attacker privileges, required user interaction, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites running the Contact Form 7 Calendar plugin, cf7-calendar, at version 3.0.1 or earlier. Sites without this plugin are not indicated as affected by the supplied sources.
Exploitation context
The provided bundle does not identify known exploitation, and KEV status is false. Exploitation requires user interaction, consistent with a CSRF path where a victim performs an action that results in stored XSS.
Researcher notes
The source bundle names CSRF leading to stored XSS but does not include detailed vulnerable endpoints, proof of concept, exploit telemetry, or fixed-version data. Avoid assuming broader Contact Form 7 exposure; the named product is Contact Form 7 Calendar cf7-calendar.
Mitigation direction
- Inventory WordPress sites for the cf7-calendar plugin and version.
- Check vendor or Patchstack guidance for a fixed release or official mitigation.
- Update the plugin if a vendor-supported fixed version is available.
- Disable or remove the plugin where no trusted fix is available.
- Reduce admin exposure by separating WordPress admin sessions from general browsing.
Validation and detection
- Confirm whether each WordPress site has Contact Form 7 Calendar installed.
- Record the installed cf7-calendar version and flag 3.0.1 or earlier.
- Review plugin-managed content for unexpected scripts or unauthorized changes.
- Verify the site after updating, disabling, or removing the plugin.
- Monitor CVE and Patchstack entries for clarified patch status.
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-352: 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-2025-46510 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.
Cross-Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.