Security readout for executives and security teams
Plain-English summary
CVE-2025-31538 is a stored cross-site scripting issue in the WordPress Checklist plugin through version 1.1.9. A user with some level of access could save content that runs in another user’s browser when viewed. Business impact is moderate because exploitation needs privileges and user interaction, but could affect confidentiality, integrity, and availability.
Executive priority
Treat this as a moderate-priority WordPress plugin risk. It does not have provided evidence of active exploitation, but stored XSS can affect administrator sessions and site trust if an affected plugin remains deployed.
Technical view
The CVE describes CWE-79 improper input neutralization during page generation in checklistcom Checklist for WordPress, affecting versions through 1.1.9. CVSS 3.1 is 6.5 with AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L, indicating network reachability, low complexity, low privileges, required user interaction, and changed scope.
Likely exposure
Exposure is limited to WordPress sites running the Checklist plugin version 1.1.9 or earlier. Sites without this plugin, or not using affected versions, are not indicated as exposed by the provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates exploitation requires low privileges and user interaction, so this is not described as unauthenticated remote compromise.
Researcher notes
Available evidence identifies the vulnerability class, affected product, affected version range, and CVSS vector. The bundle does not provide the affected parameter, sink, proof of concept, fixed version, or confirmed exploitation, so validation should stay defensive and source-bounded.
Mitigation direction
- Inventory WordPress sites for the Checklist plugin and installed version.
- Check vendor or Patchstack guidance for a fixed release or official mitigation.
- Disable or remove the plugin if it is unnecessary or cannot be safely updated.
- Restrict plugin-related authoring or administrative permissions to trusted users.
- Monitor WordPress activity for unexpected content or configuration changes.
Validation and detection
- Confirm whether Checklist is installed on each WordPress site.
- Record the installed plugin version and compare it with the affected range.
- Review user roles that can create or modify Checklist-related content.
- Check recent WordPress logs for suspicious content changes or admin activity.
- Verify remediation against vendor or Patchstack guidance when 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-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-2025-31538 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.