Security readout for executives and security teams
Plain-English summary
CVE-2026-0594 affects the WordPress plugin List Site Contributors through version 1.1.8. A malicious link could cause script to run in a victim’s browser if clicked. This is not server takeover by itself, but it can support phishing, session abuse, or unauthorized actions in the victim’s context.
Executive priority
Treat as a near-term WordPress hygiene issue. It needs attention where the plugin is installed, especially on sites managed by privileged users, but current sources do not support emergency exploitation claims.
Technical view
The issue is reflected cross-site scripting via the alpha parameter, caused by insufficient input sanitization and output escaping. It is unauthenticated, network-reachable, low complexity, and requires user interaction. CVSS 3.1 is 6.1 with changed scope and low confidentiality and integrity impact.
Likely exposure
Exposure is limited to WordPress sites with the List Site Contributors plugin installed at versions up to and including 1.1.8. The source bundle does not identify affected themes, hosting platforms, or a fixed version.
Exploitation context
The CVE states attackers must trick a user into an action such as clicking a crafted link. The provided sources do not state active exploitation, and the CVE is not marked in KEV.
Researcher notes
CWE-79 reflected XSS is mapped. The vulnerable input is alpha, with source references pointing to plugin code around line 435 in trunk and tag 1.1.8. Evidence provided does not include proof of exploit in the wild or a confirmed patched version.
Mitigation direction
- Inventory WordPress sites for the List Site Contributors plugin.
- Identify plugin versions up to and including 1.1.8.
- Check vendor or WordPress plugin guidance for an updated or remediated release.
- Disable the plugin if it is unused or cannot be safely updated.
- Use user-awareness controls for suspicious links targeting admin users.
Validation and detection
- Confirm whether List Site Contributors is installed on each WordPress site.
- Record the installed plugin version from WordPress administration or asset inventory.
- Review web access logs for unusual requests containing the alpha parameter.
- Confirm whether vendor guidance names a fixed version before closing remediation.
- Prioritize validation on sites with privileged WordPress users.
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-2026-0594 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
- 6.1 (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: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:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/026a2e0d-4d30-4133-9118-055026aa9f4a?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/list-site-contributors/trunk/list-site-contributors.php#L435CVE reference
- https://plugins.trac.wordpress.org/browser/list-site-contributors/tags/1.1.8/list-site-contributors.php#L435CVE reference
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.