CVE-2020-11738 — WordPress Snap Creek Duplicator Plugin File Download Vulnerability

The Snap Creek Duplicator plugin before 1.3.28 for WordPress (and Duplicator Pro before 3.8.7.1) allows Directory Traversal via ../ in the file parameter to duplicator_download or duplicator_init.

01What is this vulnerability?

The Snap Creek Duplicator plugin before 1.3.28 for WordPress (and Duplicator Pro before 3.8.7.1) allows Directory Traversal via ../ in the file parameter to duplicator_download or duplicator_init.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2021-11-03. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-04-13T21:20:00.000Z
• Last modified: 2026-01-12T20:20:55.122Z
• Added to CISA KEV: 2021-11-03
• BOD 22-01 due: 2022-05-03

09References

• snapcreek.com — https://snapcreek.com/duplicator/docs/changelog/?lite
• www.wordfence.com — https://www.wordfence.com/blog/2020/02/active-attack-on-recently-patched-duplica…
• cwe.mitre.org — https://cwe.mitre.org/data/definitions/23.html
• packetstormsecurity.com — http://packetstormsecurity.com/files/160621/WordPress-Duplicator-1.3.26-Director…
• packetstormsecurity.com — http://packetstormsecurity.com/files/164533/WordPress-Duplicator-1.3.26-Arbitrar…