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WP Encryption <= 7.8.6.6 — Authenticated (Administrator+) Arbitrary File Write via 'imploded' Parameter

CVE-2026-15786Published · Updated

Action summary

Affected: ≤7.8.6.6Update to 7.8.6.7 or newer

All remediation steps
Watch plugin
Severity
Medium4.4
CVSS
4.4
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:H Attack complexity
High
PR:H Privileges required
High
UI:N User interaction
None
S:U Scope
Unchanged
C:H Confidentiality
High
I:N Integrity
None
A:N Availability
None
Weakness
CWE-22 Path Traversal
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

WP Encryption: One Click SSL / HTTPS & Free SSL certificate, HTTPS redirect wp-letsencrypt-ssl

  1. Affected≤ 7.8.6.6
  2. Patched in7.8.6.7

Update to 7.8.6.7 or newer.

You are affected if you run ≤ 7.8.6.6. Version 7.8.6.7 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WP Encryption: One Click SSL / HTTPS & Free SSL certificate, HTTPS redirect.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 7.8.6.7, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch WP Encryption: One Click SSL / HTTPS & Free SSL certificate, HTTPS redirect to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Wordfence PRISM.

The WP Encryption – One Click Free SSL Certificate & SSL / HTTPS Redirect, Security & SSL Scan plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 7.8.6.6 via the 'imploded' parameter parameter. This makes it possible for authenticated attackers, with administrator-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information. Although file write content is passed through esc_html(), which encodes angle brackets and prevents direct PHP execution, plaintext configuration files such as .htaccess are fully writable and exploitable for denial-of-service or redirect attacks. This is only exploitable when the premium version of the software is enabled and active.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in WP Encryption: One Click SSL / HTTPS & Free SSL certificate, HTTPS redirect

All 6
More vulnerabilities in WP Encryption: One Click SSL / HTTPS & Free SSL certificate, HTTPS redirect
SeverityVulnerabilityCVEPublished
Medium5.3Missing Authorization
<7.8.8.2Update to 7.8.8.2
CVE-2026-108064
Medium5.4One Click SSL & Force HTTPS <= 7.8.5.10 - Missing Authorization to Authenticated (Subscriber+) SSL Setup Tampering
≤7.8.5.10Update to 7.8.5.11
CVE-2026-3829
Medium6.1Reflected DOM-Based Cross-Site Scripting via url Parameter
≤5.5.8Update to 5.5.9
CVE-2024-13362
High7.5Sensitive Information Exposure via insufficiently protected files
≤7.0Update to 7.1.0
CVE-2023-7046
Medium6.3Missing Authorization Checks
all versionsNo patch available
CVE-2022-4974

Same weakness (Path Traversal)

All Path Traversal
Other Path Traversal vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 4.4

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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