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PatchSiren cyber security CVE debrief

CVE-2026-39746 Booknetic CVE debrief

A critical SQL injection vulnerability exists in the Booknetic plugin, allowing for blind SQL injection attacks. This issue affects Booknetic versions from n/a before 5.10.4. The vulnerability has a CVSS score of 9.3 and is considered CRITICAL. Defenders responsible for managing and securing WordPress installations with the Booknetic plugin should assess exposure and prioritize patching or mitigation efforts. The CVE record and NVD entry provide details on the vulnerability, including its CVSS score and severity.

Vendor
Booknetic
Product
Unknown
CVSS
CRITICAL 9.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-06
Original CVE updated
2026-10-28
Advisory published
2026-10-06
Advisory updated
2026-10-28

Who should care

Defenders responsible for managing and securing WordPress installations with the Booknetic plugin should assess exposure and prioritize patching or mitigation efforts.

Why it matters

Defenders should prioritize patching or mitigating CVE-2026-39746 to prevent SQL injection attacks against Booknetic installations. This vulnerability allows for blind SQL injection and affects versions before 5.10.4. Defenders responsible for WordPress installations with the Booknetic plugin should assess exposure and take action to prevent potential attacks.

  • Potential SQL injection attacks against unpatched Booknetic installations
  • Need for defenders to verify patch deployment and monitor for suspicious activity
  • Possible data exposure or integrity risks due to blind SQL injection

Technical summary

The Booknetic plugin is vulnerable to SQL injection attacks due to improper neutralization of special elements used in an SQL command. This issue allows for blind SQL injection and affects versions from n/a before 5.10.4. The vulnerability has a CVSS score of 9.3 and is considered CRITICAL. Defenders should prioritize patching or mitigating this vulnerability to prevent potential SQL injection attacks.

Defensive priority

Defenders should prioritize patching or mitigating this vulnerability to prevent potential SQL injection attacks.

Recommended defensive actions

  • Patch Booknetic to version 5.10.4 or later
  • Implement additional security measures to detect and prevent SQL injection attacks
  • Monitor for suspicious activity related to the Booknetic plugin

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its CVSS score of 9.3 and severity of CRITICAL. The vulnerability affects Booknetic versions from n/a before 5.10.4. Defenders should verify patch deployment and monitor for suspicious activity. The CVE record was published on 2026-10-06T09:17:45.883Z and has not been modified since then. Evidence is limited to publicly available information from the CVE Program and NVD.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-39746 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-39746

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

  • CVE-2026-39746 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-39746

    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.