Security readout for executives and security teams
Plain-English summary
This is a high-severity WordPress plugin issue where a victim interaction could let an attacker turn a CSRF weakness into stored cross-site scripting. Stored XSS can persist in the site and affect later visitors or administrators. The bundle does not show active exploitation or a named fixed version.
Executive priority
Treat as a near-term WordPress exposure issue, especially for public sites or sites with administrative users likely to browse while authenticated. Prioritize inventory and vendor guidance checks before assuming a patch exists.
Technical view
CVE-2025-46520 affects Related Posts via Taxonomies plugin through version 1.0.1. The reported weakness is CWE-352 CSRF leading to stored XSS. CVSS 3.1 is 7.1 with network attack vector, low complexity, no attacker privileges, required user interaction, and changed scope.
Likely exposure
Exposure is limited to WordPress sites running the Related Posts via Taxonomies plugin at version 1.0.1 or earlier. The source bundle lists default status as unaffected but describes impact through <= 1.0.1, so confirm installed plugin identity and version carefully.
Exploitation context
The CVSS vector indicates remote exploitation with low complexity and required user interaction. KEV is false, and the provided sources do not claim active exploitation. The bundle does not include exploit maturity, public proof-of-concept status, or a vendor patch reference.
Researcher notes
Evidence is limited to the CVE record and Patchstack reference. The affected version statement says <= 1.0.1, while the structured affected entry is sparse. Do not assert active exploitation, patch availability, or exact vulnerable endpoint without vendor details.
Mitigation direction
- Inventory WordPress sites for the related-posts-via-taxonomies plugin and installed version.
- Check vendor, WordPress plugin, or Patchstack guidance for a fixed release or official mitigation.
- Disable or remove the plugin where it is unnecessary or no supported fix is available.
- Review WordPress administrative activity for suspicious content changes after exposure is confirmed.
Validation and detection
- Confirm whether related-posts-via-taxonomies is installed on each WordPress site.
- Verify plugin version and flag installations at 1.0.1 or earlier.
- Check whether Patchstack or vendor guidance identifies a fixed version.
- Review pages and plugin-managed content for unexpected stored scripts or markup.
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-2025-46520 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
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.