Security readout for executives and security teams
Plain-English summary
This WordPress plugin issue lets any logged-in user with subscriber-level access or higher reset Kraken.io Image Optimizer optimization data. It is not described as unauthenticated or remotely exploitable without an account. The business risk is unauthorized disruption or integrity loss in image optimization workflows, not data theft.
Executive priority
Treat as a moderate WordPress hygiene issue. It should be remediated during normal vulnerability management, faster for public sites with open registration or many low-privilege accounts. It does not justify emergency response based on the provided evidence.
Technical view
CVE-2023-0619 is a missing authorization flaw in Kraken.io Image Optimizer for WordPress through version 2.6.8. AJAX actions lack a required capability check, allowing authenticated subscriber-level users to reset image optimizations. The CVSS 3.1 score is 6.5 with high integrity impact.
Likely exposure
Exposure is likely on WordPress sites running Kraken.io Image Optimizer version 2.6.8 or earlier, especially where subscriber registration is open or low-privilege accounts are numerous. Sites without the plugin or without low-privilege authenticated users have lower practical exposure.
Exploitation context
The provided sources do not show KEV listing or active exploitation. Abuse requires a valid WordPress account at subscriber level or above. The documented impact is resetting image optimizations, which can disrupt content operations or plugin state but is not described as code execution.
Researcher notes
Evidence identifies CWE-862 missing authorization in AJAX actions and a subscriber-plus attack precondition. The bundle does not provide a named fixed version, exploit-in-the-wild evidence, or broader impact beyond resetting image optimizations. Avoid expanding scope beyond Kraken.io Image Optimizer through 2.6.8.
Mitigation direction
- Inventory WordPress sites for Kraken.io Image Optimizer installations.
- Prioritize sites running version 2.6.8 or earlier.
- Check vendor or WordPress plugin guidance for a corrected release.
- Remove or disable the plugin if no acceptable fixed version is available.
- Review and reduce unnecessary subscriber-level accounts.
Validation and detection
- Confirm whether Kraken.io Image Optimizer is installed on each WordPress site.
- Record the deployed plugin version and flag versions through 2.6.8.
- Review whether low-privilege user registration is enabled.
- Check plugin code or vendor notes for capability checks on AJAX actions.
- Review admin activity for unexpected image optimization resets.
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 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-2023-0619 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/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:H/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f94eabc5-6e3b-46df-9e36-d7d0fad833de?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/kraken-image-optimizer/tags/2.6.6/kraken.php#L705CVE reference
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f94eabc5-6e3b-46df-9e36-d7d0fad833deCVE reference · x_transferred
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.