Security readout for executives and security teams
Plain-English summary
CVE-2025-31435 affects the WordPress Microblog Poster plugin through version 2.1.6. A user could be tricked into triggering a change that stores malicious script in the site. The issue is high severity, but the provided sources do not state active exploitation or a confirmed fixed version.
Executive priority
Treat this as a high-priority WordPress plugin exposure review. The main business risk is persistent script injection on affected sites, which can damage trust and expose users. Urgency depends on whether the plugin is deployed and whether a vendor fix is available.
Technical view
The source describes a CSRF weakness in Efficient Scripts Microblog Poster that can lead to stored XSS. CVSS 3.1 is 7.1 with network attack vector, low complexity, no privileges, required user interaction, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites running Microblog Poster at version 2.1.6 or earlier. The provided data does not identify affected CPEs or hosting-specific exposure conditions.
Exploitation context
The CVE is not listed as KEV in the supplied bundle. The sources support potential CSRF-to-stored-XSS risk, but do not provide evidence of active exploitation, public exploit availability, or weaponized campaigns.
Researcher notes
Evidence is limited to the CVE record and Patchstack reference in the supplied bundle. Do not assume exploit activity, a patch level, or affected versions beyond through 2.1.6. Validate exposure by installed plugin version, then follow vendor or Patchstack remediation guidance.
Mitigation direction
- Inventory WordPress sites for Microblog Poster installations.
- Prioritize sites running version 2.1.6 or earlier.
- Check Patchstack and vendor guidance for a fixed release or official mitigation.
- Disable or remove the plugin where it is not business-critical.
- Restrict administrative access and review content changes until remediated.
Validation and detection
- Confirm the installed plugin name and version from WordPress administration or asset inventory.
- Flag Microblog Poster versions 2.1.6 or earlier as affected.
- Review recent administrative changes for unexpected stored content or scripts.
- Verify whether vendor or Patchstack guidance names a fixed version.
- Track remediation evidence per affected WordPress site.
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-2025-31435 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.