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PatchSiren cyber security CVE debrief

CVE-2026-39434 WebAppick CVE debrief

A high-severity vulnerability, CVE-2026-39434, was discovered in the CTX Feed plugin, affecting versions up to 6.6.26. This vulnerability allows shop managers to inject PHP objects, potentially leading to code execution, data breaches, or other malicious activities. The CVSS score for this vulnerability is 7.2, indicating a high level of severity.

Vendor
WebAppick
Product
CTX Feed
CVSS
HIGH 7.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Users of the CTX Feed plugin, specifically those with shop manager privileges, should be aware of this vulnerability and take immediate action to mitigate the risk.

Technical summary

The vulnerability is caused by a PHP object injection issue in the CTX Feed plugin. This occurs when user-supplied input is not properly sanitized, allowing an attacker to inject malicious PHP objects. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Defensive priority

High

Recommended defensive actions

  • Update the CTX Feed plugin to a version that is not vulnerable (if available).
  • Restrict access to the plugin's functionality to trusted users only.
  • Monitor the plugin's logs for suspicious activity.

Evidence notes

The CVE was published on 2026-06-15T21:16:42.460Z and last modified on 2026-06-15T21:24:32.790Z. The vulnerability was reported by Patchstack.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-39434 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-39434

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

  • CVE-2026-39434 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-39434

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

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.