Security readout for executives and security teams
Plain-English summary
A logged-in WordPress user with even Subscriber access may abuse SiteOrigin Widgets Bundle to run shortcodes they should not be allowed to run. Business impact depends on what shortcodes exist on the site. Some shortcodes can expose data or change content, while others may have little impact.
Executive priority
Treat as a near-term WordPress remediation item, not an emergency based on current evidence. Prioritize sites with public registration, many low-privilege users, or sensitive shortcode functionality.
Technical view
SiteOrigin Widgets Bundle through 1.70.4 lacks a capability check in siteorigin_widget_preview_widget_action(), registered on wp_ajax_so_widgets_preview. The code verifies a widgets_action nonce but not user permissions. Sources state the nonce can be exposed on public pages containing the Post Carousel widget, enabling Subscriber+ users to invoke the Editor widget preview path for arbitrary shortcode execution.
Likely exposure
WordPress sites running SiteOrigin Widgets Bundle versions up to and including 1.70.4 are potentially exposed, especially if untrusted users can log in and the Post Carousel widget appears on public pages.
Exploitation context
The issue requires an authenticated account with Subscriber-level access or higher. CVE data marks no CISA KEV listing, and the provided sources do not state active exploitation. Impact depends heavily on installed shortcodes and their privileges.
Researcher notes
The core weakness is CWE-862: missing authorization. The nonce is not a permission boundary. The provided changeset likely relates to remediation, but the source bundle does not name a fixed release; confirm through official plugin release notes before closing.
Mitigation direction
- Update SiteOrigin Widgets Bundle after confirming the vendor-published fixed release or relevant plugin update.
- Restrict or remove untrusted Subscriber accounts where possible.
- Avoid exposing the Post Carousel widget publicly until remediation is confirmed.
- Review vendor and Wordfence guidance for any additional hardening steps.
Validation and detection
- Inventory WordPress sites using SiteOrigin Widgets Bundle.
- Confirm plugin versions and flag versions up to 1.70.4.
- Check whether public pages include the Post Carousel widget.
- Review user registration and Subscriber account exposure.
- Assess installed shortcodes for sensitive data access or state-changing behavior.
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-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2026-2127 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
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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:U/C:L/I:L/A:N2.82.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/bf92c64b-ca76-4af7-a1e4-585a60b03153?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/so-widgets-bundle/tags/1.70.4/base/inc/actions.php#L6CVE reference
- https://plugins.trac.wordpress.org/browser/so-widgets-bundle/tags/1.70.4/widgets/post-carousel/post-carousel.php#L590CVE reference
- https://plugins.trac.wordpress.org/browser/so-widgets-bundle/tags/1.70.4/widgets/editor/editor.php#L120CVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3460939%40so-widgets-bundle%2Ftrunk&old=3434183%40so-widgets-bundle%2Ftrunk&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.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.