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PatchSiren cyber security CVE debrief

CVE-2026-107870 Crocoblock CVE debrief

A Cross Site Scripting (XSS) vulnerability exists in the WordPress JetEngine plugin versions up to 3.8.16. This issue, known as DOM-Based XSS, arises from improper neutralization of input during web page generation. The vulnerability affects JetEngine from its initial version up to and including 3.8.16. Affected deployments should be identified in managed environments, and owners should prioritize updates to version 3.8.16.1 or later. Reviewing user input sanitization and monitoring for potential XSS attacks is recommended. The CVE record and source item provide details about the vulnerability, its impact, and the affected versions of the JetEngine plugin.

Vendor
Crocoblock
Product
JetEngine
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-14
Original CVE updated
2026-10-15
Advisory published
2026-10-14
Advisory updated
2026-10-15

Who should care

Defenders responsible for WordPress installations with the JetEngine plugin should assess their exposure and prioritize updating to a fixed version. Reviewing user input sanitization and monitoring for potential XSS attacks is also recommended.

Why it matters

CVE-2026-107870 is a high-severity XSS vulnerability in the WordPress JetEngine plugin. Defenders should prioritize updating to a fixed version and reviewing user input sanitization to prevent similar vulnerabilities.

  • Defenders need to verify the JetEngine version and update to 3.8.16.1 or later.
  • User input sanitization should be reviewed to prevent similar vulnerabilities.
  • Monitoring for potential XSS attacks is necessary.

Technical summary

The CVE-2026-107870 vulnerability is a Cross Site Scripting (XSS) issue in the WordPress JetEngine plugin. It is caused by improper neutralization of input during web page generation, leading to DOM-Based XSS. The vulnerability affects JetEngine versions from n/a through 3.8.16 and has been fixed in version 3.8.16.1.

Defensive priority

Defenders should prioritize verifying the version of JetEngine installed on their systems and updating to version 3.8.16.1 or later if necessary. Additionally, reviewing and sanitizing user inputs to prevent similar vulnerabilities is recommended.

Recommended defensive actions

  • Verify the version of JetEngine installed on your system and update to version 3.8.16.1 or later if necessary.
  • Review and sanitize user inputs to prevent similar vulnerabilities.
  • Monitor your systems for potential XSS attacks.

Evidence notes

The CVE record and source item provide details about the vulnerability, its impact, and the affected versions of the JetEngine plugin. However, there is limited information on potential exploits or attacks in the wild.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-107870 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-107870

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

  • CVE-2026-107870 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-107870

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

Supplemental references

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.