CVE-2021-39339: Telefication <= 1.8.0 Open Proxy and Server-Side Request Forgery

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-09-22 · updated 2026-06-17
Weakness: CWE-918

Description

The Telefication WordPress plugin is vulnerable to Open Proxy and Server-Side Request Forgery via the ~/bypass.php file due to a user-supplied URL request value that gets called by a curl requests. This affects versions up to, and including, 1.8.0.

Affected products

Telefication: through 1.8.0

References

https://plugins.trac.wordpress.org/browser/telefication/tags/1.8.0/bypass.php
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39339
https://plugins.trac.wordpress.org/browser/telefication/tags/1.8.0/bypass.php
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39339

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