Security readout for executives and security teams
Plain-English summary
CVE-2025-31438 is a CSRF issue in the WordPress WP Supersized plugin through version 3.1.6. A successful attack would require tricking a logged-in user into taking an action, and the cited impact is limited integrity change, not data theft or outage.
Executive priority
Treat this as a moderate website hygiene issue, not an emergency based on available evidence. Prioritize externally managed WordPress sites and admin-heavy environments, then remediate or retire the plugin after checking current vendor guidance.
Technical view
The CVE describes CWE-352 cross-site request forgery in Benoit De Boeck WP Supersized wp-supersized through 3.1.6. CVSS 3.1 is 4.3 with network attack vector, low complexity, no privileges, required user interaction, unchanged scope, low integrity impact, and no confidentiality or availability impact.
Likely exposure
Exposure is limited to WordPress sites that have WP Supersized installed at version 3.1.6 or earlier. The provided bundle does not identify affected configuration details, specific vulnerable actions, or a fixed release.
Exploitation context
The provided sources do not cite active exploitation, and the bundle marks KEV as false. Practical risk depends on whether an attacker can lure an authenticated site user with relevant permissions into a CSRF-triggering interaction.
Researcher notes
Evidence is thin beyond CVE metadata and the Patchstack advisory reference. Do not assume exploitability details, affected endpoints, or patch availability without reviewing the advisory content or vendor release history.
Mitigation direction
- Inventory WordPress sites for the WP Supersized plugin and installed version.
- Check vendor, CVE, and Patchstack guidance for fixed versions or official mitigations.
- Disable or remove the plugin where it is unnecessary or cannot be risk-accepted.
- Limit privileged WordPress sessions and reinforce admin anti-phishing controls.
Validation and detection
- Confirm whether WP Supersized is installed on each WordPress instance.
- Record plugin version and flag installations at 3.1.6 or earlier.
- Review vendor and Patchstack advisories for remediation status before closure.
- Verify compensating controls are documented if no official fix is available.
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-2025-31438 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
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/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:U/C:N/I:L/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
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.