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RSVPMaker <= 8.7.2 — Server-Side Request Forgery

CVE-2021-24371Published · Updated

Action summary

Affected: <8.7.3Update to 8.7.4 or newer

All remediation steps
Watch plugin
Severity
Low2.7
CVSS
2.7
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:H Privileges required
High
UI:N User interaction
None
S:U Scope
Unchanged
C:L Confidentiality
Low
I:N Integrity
None
A:N Availability
None
Weakness
CWE-918 SSRF
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

RSVPMaker rsvpmaker

  1. Affected< 8.7.3
  2. Patched in8.7.4

Update to 8.7.4 or newer.

You are affected if you run < 8.7.3. Version 8.7.4 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under RSVPMaker.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 8.7.4, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch RSVPMaker to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Shreya Pohekar.

The Import feature of the RSVPMaker WordPress plugin before 8.7.4 (/wp-admin/tools.php?page=rsvpmaker_export_screen) takes an URL input and calls curl on it, without first validating it to ensure it's a remote one. As a result, a high privilege user could use that feature to scan the internal network via a SSRF attack.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in RSVPMaker

All 17
More vulnerabilities in RSVPMaker
SeverityVulnerabilityCVEPublished
Medium6.5Authenticated (Contributor+) SQL Injection
≤11.5.6Update to 11.5.7
CVE-2025-48278
High7.5Unauthenticated SQL Injection
≤11.6.7Update to 11.6.8
CVE-2025-31552
Medium5.3Missing Authorization
≤11.4.5Update to 11.4.6
CVE-2025-24600
Critical9.8Unauthenticated PHP Object Injection
≤10.6.6Update to 10.6.7
CVE-2023-25054
Critical9.8Unauthenticated SQL Injection
≤10.6.6Update to 10.6.7
CVE-2023-41652

Same weakness (SSRF)

All SSRF
Other SSRF 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 low, CVSS 2.7

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. 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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