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PatchSiren cyber security CVE debrief

CVE-2020-11738 WordPress CVE debrief

CVE-2020-11738 is a file download vulnerability affecting the WordPress Snap Creek Duplicator Plugin. CISA added it to the Known Exploited Vulnerabilities catalog on 2021-11-03, which indicates confirmed exploitation and makes remediation a priority for any environment using the plugin.

Vendor
WordPress
Product
Snap Creek Duplicator Plugin
CVSS
HIGH 7.5
CISA KEV
Listed
Original CVE published
2021-11-03
Original CVE updated
2021-11-03
Advisory published
2021-11-03
Advisory updated
2021-11-03

Who should care

WordPress site owners, plugin administrators, managed hosting providers, and security teams responsible for WordPress plugin hygiene should care, especially if the Snap Creek Duplicator Plugin is installed anywhere in their environment.

Technical summary

The supplied corpus identifies the issue as a file download vulnerability in the WordPress Snap Creek Duplicator Plugin. No additional technical details, affected versions, or exploitation mechanics are provided in the source corpus, but CISA’s KEV inclusion confirms the vulnerability is known to be exploited in the wild.

Defensive priority

High. CISA KEV inclusion means this vulnerability should be treated as a priority remediation item for exposed or potentially exposed WordPress installations.

Recommended defensive actions

  • Inventory WordPress sites to confirm whether the Snap Creek Duplicator Plugin is installed.
  • Apply vendor-recommended updates or mitigations as directed by the plugin vendor.
  • If the plugin is not required, remove it from systems where it is installed.
  • Verify remediation across all WordPress instances, including development, staging, and production.
  • Review access logs and file download activity for signs of unauthorized access around the relevant period.

Evidence notes

All statements are limited to the supplied source corpus and official links. The corpus identifies the vulnerability as a WordPress Snap Creek Duplicator Plugin file download issue and records CISA KEV inclusion on 2021-11-03 with a due date of 2022-05-03. No CVSS score, affected version range, or exploit details were supplied.

Sources and references

Verified primary and authoritative sources

  • CVE-2020-11738 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2020-11738

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

  • CVE-2020-11738 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2020-11738

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

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.