Security readout for executives and security teams
Plain-English summary
A logged-in WordPress user with contributor-level access could alter Envira Gallery galleries attached to posts they do not own. This is mainly an integrity issue: content or media presentation could be changed without proper authorization. It is not described as allowing data theft or server compromise.
Executive priority
Treat as a moderate-priority WordPress content integrity issue. Patch during the next maintenance window, faster for multi-author or externally managed sites where contributor accounts are common.
Technical view
CVE-2023-6742 is a missing authorization issue, CWE-862, in Envira Gallery Lite’s envira_gallery_insert_images function. The CVSS 3.1 score is 4.3. Sources state authenticated attackers with contributor access and above can modify galleries on other users’ posts. Version boundary evidence differs between <=1.8.7.1 and <=1.8.7.2.
Likely exposure
Exposure is limited to WordPress sites using Envira Gallery Lite with accounts at contributor level or higher. Risk is greater where contributor accounts are widely issued, shared, weakly governed, or given to external publishers.
Exploitation context
The bundle does not cite active exploitation, and KEV is false. Exploitation requires an authenticated low-privileged WordPress account, so this is less urgent than unauthenticated compromise but relevant for multi-author sites.
Researcher notes
Focus validation on authorization checks around envira_gallery_insert_images and role boundaries for contributor-level users. The supplied evidence shows integrity impact only. Note the inconsistent affected-version wording across the title and description when documenting exposure.
Mitigation direction
- Update Envira Gallery Lite to a current vendor-supported release.
- Review vendor or WordPress plugin guidance for the corrected fixed version.
- Restrict contributor-level access to trusted users only.
- Audit shared, dormant, or externally managed WordPress accounts.
- Monitor gallery and post media changes for unexpected modifications.
Validation and detection
- Inventory WordPress sites using Envira Gallery Lite.
- Confirm installed Envira Gallery Lite versions against vendor guidance.
- Identify users with contributor, author, editor, or administrator roles.
- Review recent gallery changes on posts owned by other users.
- Check whether the patched ajax.php authorization logic is present.
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-2023-6742 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:N/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:N/I:L/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:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/40655278-6915-4a76-ac2d-bb161d3cee92?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/envira-gallery-lite/trunk/includes/admin/ajax.phpCVE reference
- https://plugins.trac.wordpress.org/changeset/3017115/envira-gallery-lite/tags/1.8.7.3/includes/admin/ajax.phpCVE 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.