Security readout for executives and security teams
Plain-English summary
CVE-2025-31566 affects the WordPress Rio Video Gallery plugin through version 2.3.6. A malicious site could trick a logged-in WordPress user into causing stored script content, creating browser-side risk when the stored content is later viewed.
Executive priority
Treat this as a high-priority WordPress plugin exposure where the plugin is deployed. Prioritize internet-facing business sites and sites with multiple administrators or editors, because successful abuse can persist malicious script content in the site workflow.
Technical view
The CVE describes CSRF leading to stored XSS in riosisgroup Rio Video Gallery, package rio-video-gallery, through 2.3.6. CVSS 3.1 is 7.1 high, with network access, 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 with Rio Video Gallery installed and running at version 2.3.6 or earlier. The provided sources do not identify other affected products or a confirmed fixed version.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and no supplied source confirms active exploitation. The attack model requires user interaction, likely involving a logged-in WordPress user being induced to perform an unintended action.
Researcher notes
Evidence supports CSRF to stored XSS, but the bundle does not provide endpoint details, proof-of-concept material, exploit telemetry, or a named patched release. Validation should focus on asset inventory, plugin version, active status, and trusted vendor remediation guidance.
Mitigation direction
- Inventory WordPress sites for the Rio Video Gallery plugin.
- If present at version 2.3.6 or earlier, review vendor or Patchstack guidance.
- Disable or remove the plugin if no safe patched version is available.
- Limit WordPress admin access to trusted users until resolved.
- Monitor WordPress and security logs for suspicious content changes.
Validation and detection
- Confirm whether rio-video-gallery is installed on each WordPress site.
- Record the installed plugin version and compare it to 2.3.6.
- Check whether the plugin is active or only installed.
- Review vendor, WordPress plugin, or Patchstack advisories for fix status.
- Inspect recent gallery configuration or content changes for unauthorized entries.
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-2025-31566 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.