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CVE Record

CVE-2026-1569: Wueen <= 0.2.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Plugin's Shortcode

The Wueen plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `wueen-blocket` shortcode in all versions up to, and including, 0.2.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

MediumCVSS 6.4Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2026-1569 affects the Wueen WordPress plugin up to version 0.2.0. A logged-in user with Contributor or higher permissions can place malicious script through the plugin shortcode. That script runs when someone views the affected page, potentially impacting administrators or visitors.

Executive priority

Treat as a routine but timely WordPress hygiene issue. Prioritize sites with many content contributors, external authors, or administrative users who may view contributor-created pages.

Technical view

The issue is stored cross-site scripting in the Wueen plugin’s `wueen-blocket` shortcode. Sources cite insufficient sanitization and output escaping of user-supplied shortcode attributes. CVSS 3.1 is 6.4, with network access, low complexity, low privileges, changed scope, and low confidentiality/integrity impact.

Likely exposure

Exposure is limited to WordPress sites running Wueen version 0.2.0 or earlier, especially where untrusted or numerous users have Contributor, Author, Editor, or Administrator access.

Exploitation context

The source bundle does not indicate active exploitation, and KEV is false. Abuse requires authenticated WordPress access at Contributor level or higher and placement of malicious content that later gets viewed.

Researcher notes

Evidence supports authenticated stored XSS via shortcode attributes in Wueen through 0.2.0. Public sources do not name a patched version, exploitation in the wild, or broader affected products. Avoid assuming unauthenticated exploitability.

Mitigation direction

  • Check vendor or WordPress plugin guidance for a fixed Wueen release.
  • Update Wueen if a patched version is available.
  • Disable or remove Wueen if no fixed version is available.
  • Limit Contributor-level access to trusted users only.
  • Review shortcode usage in posts and pages for suspicious content.

Validation and detection

  • Inventory WordPress sites for the Wueen plugin.
  • Confirm whether installed Wueen versions are 0.2.0 or earlier.
  • Review posts and pages using the `wueen-blocket` shortcode.
  • Audit Contributor and higher accounts for unexpected content changes.
  • Check security logs for suspicious page edits or shortcode attribute changes.
Prepared
Confidence
high
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · medium confidence lookup

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 lookup
cve · low confidence lookup

CVE-2026-1569 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.4 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
6.4CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N3.12.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.4Medium
CVSS 3.1 vector shape for CVE-2026-1569Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
nabegheWueen0unaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-79 · source CWE mapping

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.