PatchSiren cyber security CVE debrief

CVE-2026-39633 ThemeGoods CVE debrief

A Cross-Site Request Forgery (CSRF) vulnerability exists in the Grand Car Rental theme for WordPress, affecting versions up to and including 3.6.9. This issue allows attackers to perform Cross-Site Request Forgery attacks. The CVE record was published on 2026-04-08T09:16:33.877Z and has not been modified since then. Users of the Grand Car Rental theme for WordPress, particularly those using versions up to and including 3.6.9, should be aware of this vulnerability and take necessary precautions. The vulnerability exists due to insufficient protection against CSRF attacks, allowing an attacker to trick authenticated users into performing unintended actions on the website. To address this vulnerability, it is essential to update the Grand Car Rental theme to a version that addresses this issue. Additionally, implementing extra monitoring and logging can help detect potential CSRF attacks. Educating users about the risks associated with CSRF attacks and the importance of keeping software up-to-date is also crucial. Further investigation and verification are necessary to fully understand the scope and impact of this vulnerability, given the limited information available in the CVE record and NVD entry.

Vendor: ThemeGoods
Product: Grand Car Rental
CVSS: MEDIUM 6.5
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-04-08
Original CVE updated: 2026-07-24
Advisory published: 2026-04-08
Advisory updated: 2026-07-24

Who should care

Users of the Grand Car Rental theme for WordPress, particularly those using versions up to and including 3.6.9, should be aware of this vulnerability and take necessary precautions.

Technical summary

The Grand Car Rental theme for WordPress, up to and including version 3.6.9, is vulnerable to Cross-Site Request Forgery (CSRF). This vulnerability, tracked as CVE-2026-39633, has a CVSS score of 6.5 and a severity rating of MEDIUM. The vulnerability exists due to insufficient protection against CSRF attacks, allowing an attacker to trick authenticated users into performing unintended actions on the website.

Defensive priority

Medium priority should be given to updating the Grand Car Rental theme to a version that addresses this vulnerability.

Recommended defensive actions

Update the Grand Car Rental theme to a version that addresses this vulnerability.
Implement additional monitoring and logging to detect potential CSRF attacks.
Educate users about the risks associated with CSRF attacks and the importance of keeping software up-to-date.

Evidence notes

The CVE record and NVD entry provide limited information about this vulnerability. Further investigation and verification are necessary to fully understand the scope and impact of this vulnerability.

Sources and references

Verified primary and authoritative sources

CVE-2026-39633 CVE Program record
Publisher, destination, and source semantics verified

URL: https://www.cve.org/CVERecord?id=CVE-2026-39633

CVE Program - Official CVE Program record with source-provided CVE metadata.
CVE-2026-39633 NVD vulnerability detail
Publisher, destination, and source semantics verified

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-39633

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.