PatchSiren cyber security CVE debrief

CVE-2026-39435 bgermann CVE debrief

CVE-2026-39435 is a HIGH severity Unauthenticated Cross Site Scripting (XSS) vulnerability in CformsII versions <= 15.1.3. The vulnerability has a CVSS score of 7.1 and was published on [cvePublishedAt](https://www.cve.org/CVERecord?id=CVE-2026-39435).

Vendor: bgermann
Product: CformsII
CVSS: HIGH 7.1
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

Administrators and users of CformsII plugin for WordPress, especially those using versions <= 15.1.3, should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability is an Unauthenticated Cross Site Scripting (XSS) issue in CformsII plugin for WordPress. It has been assigned a CVSS score of 7.1 and a severity of HIGH. The vulnerability is caused by [refer to vendor advisory](https://patchstack.com/database/wordpress/plugin/cforms2/vulnerability/wordpress-cformsii-plugin-15-1-3-cross-site-scripting-xss-vulnerability?_s_id=cve).

Defensive priority

HIGH

Recommended defensive actions

Update CformsII plugin to a version greater than 15.1.3.
Refer to [ref-4](https://patchstack.com/database/wordpress/plugin/cforms2/vulnerability/wordpress-cformsii-plugin-15-1-3-cross-site-scripting-xss-vulnerability?_s_id=cve) for mitigation or vendor reference.

Evidence notes

The CVE was published on [cvePublishedAt](https://www.cve.org/CVERecord?id=CVE-2026-39435) and last modified on [cveModifiedAt](https://www.cve.org/CVERecord?id=CVE-2026-39435). The vulnerability details were obtained from [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-39435).

Sources and references

Verified primary and authoritative sources

CVE-2026-39435 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-39435

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-39435 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-39435

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.