Security readout for executives and security teams
Plain-English summary
CVE-2025-31096 is a medium-severity cross-site scripting issue in the WordPress PostX plugin. A logged-in attacker may be able to trigger script execution when a user interacts with affected pages, creating risk to content integrity, session data, and site trust.
Executive priority
Treat this as a moderate-priority WordPress plugin risk. It is not described as actively exploited, but affected public websites should be inventoried and remediated promptly once vendor guidance confirms a safe path.
Technical view
The issue is CWE-79 improper input neutralization during web page generation, described as DOM-based XSS in WPXPO PostX package ultimate-post through version 4.1.25. CVSS 3.1 is 6.5 with network access, low complexity, low privileges required, and user interaction required.
Likely exposure
Exposure is likely limited to WordPress sites using WPXPO PostX, package ultimate-post, at versions through 4.1.25. The bundle does not identify other affected products or deployment-specific prerequisites beyond the plugin version.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and no cited source states active exploitation. The CVSS vector indicates exploitation requires a low-privileged attacker and user interaction, so risk depends on who can access plugin-related editing or content workflows.
Researcher notes
The provided affected metadata is sparse and internally limited, while the description clearly states PostX through 4.1.25. Do not assume a patched version, exploit availability, or broader product impact from this bundle alone.
Mitigation direction
- Check WPXPO and Patchstack guidance for a confirmed fixed release or workaround.
- Inventory WordPress sites running PostX package ultimate-post through version 4.1.25.
- Prioritize updating or replacing the plugin only when vendor-supported remediation is confirmed.
- Limit low-privileged WordPress accounts until exposure is assessed.
- Monitor affected sites for unexpected script injection or content changes.
Validation and detection
- Confirm whether PostX is installed on each WordPress property.
- Record the installed PostX version and compare it to <= 4.1.25.
- Review user roles with access to PostX-related content workflows.
- Check web logs and content history for suspicious script changes.
- Track Patchstack and CVE records for remediation updates.
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-79: 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-2025-31096 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/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:L/UI:R/S:C/C:L/I:L/A:L2.33.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.