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PatchSiren cyber security CVE debrief

CVE-2026-110664 codename065 CVE debrief

The Premium Packages – Sell Digital Products Securely plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'note' parameter in all versions up to, and including, 7.2.8 due to insufficient input sanitization and output escaping. This vulnerability allows authenticated attackers with subscriber-level access and above to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploit bypasses tag-based filtering because the payload is stored as a hex-escaped sequence that sanitize_textarea_field does not strip, and is only decoded back into a live HTML tag by stripcslashes() during admin rendering — after all sanitiz

Vendor
codename065
Product
Premium Packages – Sell Digital Products Securely
CVSS
MEDIUM 6.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-16
Original CVE updated
2026-10-16
Advisory published
2026-10-16
Advisory updated
2026-10-16

Who should care

Defenders responsible for WordPress installations with the Premium Packages – Sell Digital Products Securely plugin version 7.2.8 or earlier should assess exposure and prioritize patching or mitigation.

Why it matters

Defenders should prioritize verifying the presence of this vulnerability in their WordPress installations and assess exposure of subscriber-level access and above users. The vulnerability allows authenticated attackers with subscriber-level access and above to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires verification of patching or mitigation priority.

  • Authenticated attackers with subscriber-level access and above can inject arbitrary web scripts.
  • Injected scripts execute whenever a user accesses an injected page.
  • This vulnerability requires verification of patching or mitigation priority.

Technical summary

The Premium Packages – Sell Digital Products Securely plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'note' parameter in all versions up to, and including, 7.2.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their WordPress installations and assess exposure of subscriber-level access and above users.

Recommended defensive actions

  • Verify the presence of the Premium Packages – Sell Digital Products Securely plugin version 7.2.8 or earlier in your WordPress installations.
  • Assess exposure of subscriber-level access and above users to this vulnerability.
  • Apply patches or updates provided by the vendor to fix the vulnerability.
  • Monitor for suspicious activity related to this vulnerability.
  • 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 vulnerability allows authenticated attackers with subscriber-level access and above to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploit bypasses tag-based filtering because the payload is stored as a hex-escaped sequence that sanitize_textarea_field does not strip, and is only decoded back into a live HTML tag by stripcslashes() during admin rendering — after all sanitization has occurred. Defenders should verify patching or mitigation priority based on the presence of

Sources and references

Verified primary and authoritative sources

  • CVE-2026-110664 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-110664

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-110664 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-110664

    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/wpdm-premium-packages/

    [email protected]

  • Source reference

    Unverified legacy reference

    URL: https://plugins.trac.wordpress.org/browser/wpdm-premium-packages/tags/7.2.8/src/Admin/Order/views/order-notes.php

    [email protected]

  • Source reference

    Unverified legacy reference

    URL: https://plugins.trac.wordpress.org/browser/wpdm-premium-packages/tags/7.2.8/src/Api/Endpoints/OrderEndpoint.php

    [email protected]

  • Source reference

    Unverified legacy reference

    URL: https://plugins.trac.wordpress.org/browser/wpdm-premium-packages/tags/7.2.8/src/Order/OrderService.php

    [email protected]

  • Source reference

    Unverified legacy reference

    URL: https://plugins.trac.wordpress.org/changeset/3747528/wpdm-premium-packages/trunk/src/Admin/Order/views/order-notes.php

    [email protected]

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.