Security readout for executives and security teams
Plain-English summary
CVE-2026-22357 is a reflected cross-site scripting issue in the WordPress Link Whisper Free plugin. Affected sites may expose users to malicious script execution if a user interacts with a crafted request. The published severity is high, but the sources do not show active exploitation or a named fixed version.
Executive priority
Prioritize this for WordPress sites using Link Whisper Free, especially public or high-traffic sites. Treat as high severity, but not an emergency based solely on current sources because active exploitation is not reported and user interaction is required.
Technical view
The issue is CWE-79 improper input neutralization during web page generation in Spencer Haws Link Whisper Free, reported as affecting versions through 0.9.2. CVSS 3.1 is 7.1: network exploitable, low complexity, no privileges required, user interaction required, scope changed, with low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress environments running the Link Whisper Free plugin at affected versions, reported as through 0.9.2. The provided affected-version metadata is inconsistent, so teams should verify installed plugin versions against vendor and Patchstack records.
Exploitation context
The CVE is not listed as KEV in the provided data, and no cited source states active exploitation. Reflected XSS generally requires user interaction, aligning with the CVSS UI:R rating. Public details are limited to vulnerability database entries.
Researcher notes
There is a source inconsistency: the title and description say through 0.9.2, while the Patchstack URL text references 0.9.0. No exploit details, patch version, or mitigation specifics are included in the provided bundle. Validate directly with vendor and Patchstack before closing remediation.
Mitigation direction
- Identify WordPress sites using the Link Whisper Free plugin.
- Check vendor and Patchstack guidance for a fixed or safe version.
- Update the plugin if a fixed version is published by the vendor.
- If no fix is available, consider disabling the plugin based on business need.
- Restrict administrative access and monitor WordPress security logs for unusual activity.
Validation and detection
- Inventory installed Link Whisper Free versions across WordPress sites.
- Confirm whether any installation is version 0.9.2 or earlier.
- Review vendor and Patchstack records for corrected affected-version data.
- Verify remediation by confirming plugin removal, disablement, or update status.
- Document exceptions where the plugin remains active without a confirmed fix.
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-2026-22357 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.
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.