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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

  • 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.

  • 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

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.