Security readout for executives and security teams
Plain-English summary
CVE-2026-24939 affects the WordPress Modula Image Gallery plugin through version 2.13.6. It is a broken access control issue that may let a logged-in user access information they should not be authorized to view. The published severity is medium, and there is no source-provided evidence of active exploitation.
Executive priority
Treat as a routine but timely WordPress plugin remediation item. Prioritize sites with many user accounts, contributor access, customer portals, or sensitive image metadata. No active exploitation is documented in the provided sources.
Technical view
The issue is classified as CWE-862, Missing Authorization, in WP Chill Modula Image Gallery package modula-best-grid-gallery. CVSS 3.1 is 4.3: network exploitable, low complexity, low privileges required, no user interaction, limited confidentiality impact, and no stated integrity or availability impact.
Likely exposure
Exposure is limited to WordPress sites running Modula Image Gallery version 2.13.6 or earlier. The CVSS vector indicates an attacker needs some authenticated access, reducing broad internet-wide risk compared with unauthenticated flaws.
Exploitation context
The provided sources do not report public exploitation, weaponized details, or CISA KEV listing. Impact appears limited to unauthorized access to some information, based on the CVSS confidentiality-only impact.
Researcher notes
The bundle does not include endpoint-level details, proof of concept, or a named fixed version. Analysis should stay focused on authorization boundaries in affected plugin functionality and version verification until vendor guidance provides more specificity.
Mitigation direction
- Identify WordPress sites using Modula Image Gallery.
- Check installed plugin version and flag versions 2.13.6 or earlier.
- Review WP Chill and Patchstack guidance for fixed versions or vendor mitigations.
- Restrict unnecessary WordPress user accounts until remediation is confirmed.
- Apply vendor-approved updates when available.
Validation and detection
- Inventory WordPress plugins across production and staging sites.
- Confirm whether modula-best-grid-gallery is installed.
- Record the installed Modula Image Gallery version.
- Review user roles with access to gallery-related plugin functions.
- Monitor vendor, CVE, and Patchstack records for remediation updates.
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-2026-24939 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
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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:N/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source materials
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.