PatchSiren cyber security CVE debrief
CVE-2026-12106 airani CVE debrief
The Auto Upload Images plugin for WordPress has a Limited Server-Side Request Forgery vulnerability in all versions up to, and including, 3.3.2. Authenticated attackers with contributor-level access can make web requests to arbitrary locations. The plugin's use of wp_remote_get() instead of wp_safe_remote_get() and incomplete URL validation allow requests to private, loopback, or link-local addresses.
- Vendor
- airani
- Product
- Auto Upload Images
- CVSS
- MEDIUM 6.4
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-09-18
- Original CVE updated
- 2026-09-18
- Advisory published
- 2026-09-18
- Advisory updated
- 2026-09-18
Who should care
WordPress administrators and security teams, especially those with contributor-level access, should assess exposure and prioritize remediation. This vulnerability affects WordPress installations with the Auto Upload Images plugin, allowing authenticated attackers to make web requests to arbitrary locations. Security teams should verify plugin version and update to a fixed version if available.
Why it matters
CVE-2026-12106 allows authenticated attackers with contributor-level access to make web requests to arbitrary locations, potentially interacting with internal network hosts. WordPress administrators and security teams should assess exposure and prioritize remediation.
- Potential interaction with internal network hosts
- Possible reconnaissance of internal network hosts
- Risk of data leakage or unauthorized network access
- Need for verification of plugin version and exposure
Technical summary
The Auto Upload Images plugin for WordPress uses wp_remote_get() rather than wp_safe_remote_get(), and the validate() method only rejects URLs whose host matches the site's own hostname, failing to block requests to private, loopback, or link-local addresses. This allows authenticated attackers with contributor-level access to make web requests to arbitrary locations, potentially interacting with internal network hosts. The plugin's incomplete URL validation and use of wp_remote_get() enable these requests. CVE Program record and NIST NVD detail page provide further details.
Defensive priority
Assess exposure and prioritize remediation for WordPress installations with the Auto Upload Images plugin, especially those with contributor-level access.
Recommended defensive actions
- Assess exposure of WordPress installations with the Auto Upload Images plugin
- Prioritize remediation for installations with contributor-level access
- Verify plugin version and update to a fixed version if available
- Monitor for suspicious network requests originating from the web application
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
Evidence notes
The Auto Upload Images plugin for WordPress has a Limited Server-Side Request Forgery vulnerability in all versions up to, and including, 3.3.2. Authenticated attackers with contributor-level access can make web requests to arbitrary locations. The plugin's use of wp_remote_get() instead of wp_safe_remote_get() and incomplete URL validation allow requests to private, loopback, or link-local addresses. Evidence from the CVE Program record and NIST NVD detail page confirms this vulnerability. Defenders should verify plugin version and 3
Sources and references
Verified primary and authoritative sources
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CVE-2026-12106 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-12106
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-12106 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-12106
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/auto-upload-images/tags/3.3.2/src/ImageUploader.php
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Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/auto-upload-images/tags/3.3.2/src/WpAutoUpload.php
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.