WordPress WebinarPress plugin <= 1.33.28 - Server Side Request Forgery (SSRF) Vulnerability

published 2025-05-07 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-13751

cvss: 5.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits: 0; none known

Server-Side Request Forgery (SSRF) vulnerability in WPWebinarSystem WebinarPress wp-webinarsystem allows Server Side Request Forgery.This issue affects WebinarPress: from n/a through <= 1.33.28.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 18 mo ago (2025-05-07)

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.5	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

WPWebinarSystem WebinarPress

Classification

Weakness

CWE-918 Server-Side Request Forgery

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Plugin/wp-webinarsystem/vulnerability/wordpress-webinarpress-1-33-27-server-side-request-f
vdb-entry, third-party-advisory

Sources

CVE List CVE-2025-47635
NVD CVE-2025-47635

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary