Security readout for executives and security teams
Plain-English summary
CVE-2026-1888 affects the Docus – YouTube Video Playlist WordPress plugin up to version 1.0.6. A logged-in user with Contributor-level access or higher can store malicious script in a playlist shortcode. That script may run when someone views the affected page, creating risk to site users and administrators.
Executive priority
Treat this as a moderate-priority web risk. It is not reported as actively exploited, but it can affect visitors or administrators if a Contributor account is abused. Prioritize sites with many content authors or weaker account controls.
Technical view
The issue is stored cross-site scripting in the `docusplaylist` shortcode attributes caused by insufficient input sanitization and output escaping. It is tracked as CWE-79 with CVSS 3.1 score 6.4. Attackers need authenticated Contributor-or-higher access. The impact is limited confidentiality and integrity loss; availability impact is not indicated.
Likely exposure
Exposure is most likely on WordPress sites running Docus – YouTube Video Playlist version 1.0.6 or earlier, especially where Contributor accounts are assigned to untrusted users, external authors, or compromised accounts.
Exploitation context
The source bundle does not report active exploitation, and the CVE is not marked KEV. Exploitation requires a valid Contributor-or-higher account and placement of malicious shortcode attributes in content that later gets viewed.
Researcher notes
The evidence identifies the vulnerable component and code location, but the bundle does not clearly name a fixed version. The WordPress Trac changeset should be reviewed to determine remediation status and confirm whether current trunk includes proper escaping.
Mitigation direction
- Inventory WordPress sites for the Docus – YouTube Video Playlist plugin.
- If running version 1.0.6 or earlier, check vendor guidance for an update.
- Update to a fixed release if one is available from the vendor.
- If no fixed release is available, consider disabling or removing the plugin.
- Restrict Contributor-or-higher access to trusted users only.
- Review recent content changes by Contributor-level users.
Validation and detection
- Confirm whether the Docus plugin is installed on each WordPress site.
- Record the installed plugin version and compare it to 1.0.6.
- Review posts or pages using the `docusplaylist` shortcode.
- Look for unexpected shortcode attributes added by non-admin users.
- Review the referenced WordPress Trac changeset for sanitization and escaping changes.
- Use safe, authorized testing only in staging or controlled environments.
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-2026-1888 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
- 6.4 (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
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:N/S:C/C:L/I:L/A:N3.12.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/16c6fec8-81ec-477a-9942-10fd3adb8fa4?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/docus/trunk/includes/class.shortcode.php#L55CVE reference
- https://plugins.trac.wordpress.org/browser/docus/tags/1.0.6/includes/class.shortcode.php#L55CVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3454510%40docus&new=3454510%40docus&sfp_email=&sfph_mail=CVE 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.