PatchSiren cyber security CVE debrief
CVE-2025-13146 sevenspark CVE debrief
The Contact Form 7 – Dynamic Text Extension plugin for WordPress has a vulnerability allowing arbitrary shortcode execution. This issue, present in all versions up to and including 5.0.7, stems from inadequate validation before running do_shortcode. Consequently, unauthenticated attackers can execute arbitrary shortcodes. A partial patch was implemented in version 5.0.4.
- Vendor
- sevenspark
- Product
- Contact Form 7 – Dynamic Text Extension
- CVSS
- MEDIUM 6.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-07-22
- Original CVE updated
- 2026-09-29
- Advisory published
- 2026-07-22
- Advisory updated
- 2026-09-29
Who should care
Defenders responsible for WordPress installations with the Contact Form 7 – Dynamic Text Extension plugin should assess exposure and prioritize updates or compensating controls. Defenders need to verify the presence of the vulnerability in their WordPress installations. Remediation priority is high due to the potential for exploitation.
Why it matters
The vulnerability in the Contact Form 7 – Dynamic Text Extension plugin for WordPress allows arbitrary shortcode execution, posing a risk to WordPress installations. Defenders should assess exposure, prioritize updates or compensating controls, and verify the presence of the vulnerability.
- Unauthenticated attackers can execute arbitrary shortcodes, potentially leading to various impacts.
- Defenders need to verify the presence of the vulnerability in their WordPress installations.
- Remediation priority is high due to the potential for exploitation.
- Further analysis is required to determine the full scope of possible impacts.
Technical summary
The Contact Form 7 – Dynamic Text Extension plugin for WordPress is vulnerable to arbitrary shortcode execution due to inadequate validation before running do_shortcode. This allows unauthenticated attackers to execute arbitrary shortcodes. The vulnerability was partially patched in version 5.0.4. The vulnerability was discovered and reported by [email protected]. The CVE record and NVD entry provide details on the vulnerability, including its CVSS score of 6.5 and severity of MEDIUM. Further analysis is required to determine the full scope of possible impacts.
Defensive priority
Defenders should prioritize updating to a patched version or applying compensating controls to mitigate the risk of arbitrary shortcode execution.
Recommended defensive actions
- Update to a patched version of the Contact Form 7 – Dynamic Text Extension plugin.
- Apply compensating controls to restrict access to the plugin's functionality.
- Monitor for suspicious activity related to shortcode execution.
- Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
- Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
- Check relevant monitoring, detection, and logs for exposed assets that need extra review.
- Track exceptions, retest remediated assets, and close the item only after evidence is documented.
Evidence notes
The vulnerability was discovered and reported by [email protected]. The CVE record and NVD entry provide details on the vulnerability, including its CVSS score of 6.5 and severity of MEDIUM. The Contact Form 7 – Dynamic Text Extension plugin for WordPress is vulnerable to arbitrary shortcode execution due to inadequate validation before running do_shortcode. This allows unauthenticated attackers to execute arbitrary shortcodes. The vulnerability was partially patched in version 5.0.4. Further analysis is required to determine the
Sources and references
Verified primary and authoritative sources
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CVE-2025-13146 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2025-13146
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2025-13146 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2025-13146
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/contact-form-7-dynamic-text-extension/trunk/contact-form-7-dynamic-text-extension.php
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Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/contact-form-7-dynamic-text-extension/trunk/includes/utilities.php
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Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/changeset/3430784/
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.