Security readout for executives and security teams
Plain-English summary
CVE-2026-23550 is a critical privilege escalation issue in the WordPress Modular DS plugin, package modular-connector, affecting versions through 2.5.1. An unauthenticated network attacker is rated as able to gain high impact over confidentiality, integrity, and availability. No provided source states active exploitation.
Executive priority
Treat this as urgent for any business-critical WordPress site using Modular DS. The maximum CVSS score reflects potential full site compromise, but urgency should be tied to confirmed plugin presence because the sources do not show active exploitation.
Technical view
The CVE describes incorrect privilege assignment (CWE-266) in Modular DS modular-connector. The CVSS 3.1 score is 10.0 with AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Affected scope is Modular DS through version 2.5.1. The public bundle does not name a fixed version or specific vulnerable endpoint.
Likely exposure
Exposure is likely limited to WordPress sites with the Modular DS / modular-connector plugin installed at version 2.5.1 or earlier. Sites without this plugin are not indicated as affected by the provided sources.
Exploitation context
The rating indicates remote, unauthenticated exploitation with low complexity and no user interaction. However, the provided sources do not confirm exploitation in the wild, public exploit availability, or KEV listing.
Researcher notes
Key unknowns remain: no fixed version, exploit path, affected function, or authentication nuance is provided in the source bundle. Analysis should avoid assuming exploitability details beyond the CVSS vector and CVE description. Validate against vendor or Patchstack updates before publishing operational guidance.
Mitigation direction
- Inventory WordPress sites for the Modular DS modular-connector plugin.
- Prioritize sites running Modular DS version 2.5.1 or earlier.
- Check Modular DS, WordPress.org, and Patchstack guidance for a fixed version or vendor mitigation.
- If no fix is available, consider disabling the plugin where business impact allows.
- Restrict administrative access and monitor WordPress user role changes until resolved.
Validation and detection
- Confirm installed plugin name, slug, and version on each WordPress site.
- Flag any modular-connector installation at version 2.5.1 or earlier.
- Review recent WordPress administrator account creation and role changes.
- Check security monitoring for unexpected plugin, theme, or user-management activity.
- Document compensating controls if the plugin cannot be removed or updated.
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-266: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-23550 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
- Critical
- CVSS
- 10 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
10CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Incorrect Privilege Assignment
Incorrect Privilege Assignment represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.