Security readout for executives and security teams
Plain-English summary
CVE-2026-4075 affects the WordPress plugin BWL Advanced FAQ Manager Lite up to version 1.1.1. A logged-in user with Contributor-level access or higher can store malicious script content through FAQ shortcode attributes. The script may run when others view the affected page, creating risk to site users and administrators.
Executive priority
Treat as a moderate-priority WordPress content integrity issue. Prioritize sites with many content contributors, public registration workflows, or administrators likely to view contributor-created FAQ pages. No active exploitation is cited in the provided sources.
Technical view
The issue is stored cross-site scripting in the plugin’s baf_sbox shortcode. Multiple shortcode attributes, including sbox_id, sbox_class, placeholder, highlight_color, highlight_bg, and cont_ext_class, are insufficiently sanitized and escaped before insertion into HTML attributes in baf_sbox(). CVSS is 6.4, with low privileges required and scope changed.
Likely exposure
Exposure is limited to WordPress sites running BWL Advanced FAQ Manager Lite versions up to and including 1.1.1, especially sites allowing Contributor or higher users to create or edit content containing plugin shortcodes.
Exploitation context
Sources describe authenticated stored XSS, not unauthenticated takeover. KEV is false, and the provided sources do not report active exploitation. Impact depends on who views the injected page and the privileges or session context of those viewers.
Researcher notes
The source bundle ties the flaw to missing esc_attr-style escaping in baf_sbox(). WordPress Trac references show relevant shortcode code locations and a changeset, but the provided data does not clearly identify a patched version. Avoid assuming a fix beyond vendor-published guidance.
Mitigation direction
- Inventory WordPress sites for BWL Advanced FAQ Manager Lite version 1.1.1 or earlier.
- Check vendor, WordPress.org, and Wordfence guidance for a fixed release before upgrading.
- Restrict Contributor and higher content creation rights where not business-critical.
- Review and remove suspicious baf_sbox shortcode usage in posts, pages, and FAQs.
- Apply least privilege and require review before publishing shortcode-capable content.
Validation and detection
- Confirm whether the plugin is installed and active on each WordPress site.
- Record the installed plugin version and compare against versions up to 1.1.1.
- Search content for baf_sbox shortcodes using the named attributes.
- Review affected pages for unexpected script behavior in a safe test environment.
- Verify updated code escapes shortcode attributes before HTML output.
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-2026-4075 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/ef01f05a-ed5a-4278-acab-029c58242cf2?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/bwl-advanced-faq-manager-lite/trunk/includes/shortcodes/baf_faq_list.php#L73CVE reference
- https://plugins.trac.wordpress.org/browser/bwl-advanced-faq-manager-lite/tags/1.1.1/includes/shortcodes/baf_faq_list.php#L73CVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3487104%40bwl-advanced-faq-manager-lite&new=3487104%40bwl-advanced-faq-manager-lite&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.