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PatchSiren cyber security CVE debrief

CVE-2026-8909 WpMobi CVE debrief

CVE-2026-8909 is a Cross-Site Request Forgery (CSRF) vulnerability in the WpMobi plugin for WordPress. The vulnerability affects all versions up to and including 0.0.3. An attacker can exploit this vulnerability by tricking an administrator into performing an action such as clicking on a link, allowing the attacker to modify the plugin's General Settings and inject arbitrary web scripts into the administrator's browser. The injected script executes even when the supplied app_name value fails validation and is not persisted to the database.

Vendor
WpMobi
Product
WpMobi plugin for WordPress
CVSS
MEDIUM 4.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-06-09
Advisory published
2026-06-09
Advisory updated
2026-06-09

Who should care

Users of the WpMobi plugin for WordPress, particularly those with versions up to and including 0.0.3, should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability is due to missing or incorrect nonce validation on the handleSaveGeneralSettings function. This allows unauthenticated attackers to modify the plugin's General Settings and inject arbitrary web scripts into the administrator's browser via a forged request.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update the WpMobi plugin to a version that is not vulnerable.
  • Use a Web Application Firewall (WAF) to detect and prevent CSRF attacks.
  • Implement proper nonce validation for the handleSaveGeneralSettings function.

Evidence notes

The CVE record and NVD detail provide evidence of the vulnerability. Additional references include Wordfence threat intel and WordPress plugin source code.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-8909 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-8909

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

  • CVE-2026-8909 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-8909

    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.