CVE-2023-51676Network attack vector

Contributor-level access to internal services

Published Dec 29, 2023 · Updated Apr 28, 2026

Server-side request forgery in Happy Addons for Elementor 3.9.1.1 and earlier allows remote authenticated users to reach arbitrary URLs. Neither Leevio nor Patchstack has published the affected function, parameter, or request-validation failure that permits the server-side fetch. Contributor-level WordPress access is required, and successful exploitation can query internal services or send requests to attacker-chosen destinations.

CVSS severity4.9
Medium
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Server-side request forgery in Happy Addons for Elementor 3.9.1.1 and earlier allows remote authenticated users to reach arbitrary URLs. Neither Leevio nor Patchstack has published the affected function, parameter, or request-validation failure that permits the server-side fetch. Contributor-level WordPress access is required, and successful exploitation can query internal services or send requests to attacker-chosen destinations.

The record

CVE
CVE-2023-51676
Published
Dec 29, 2023
Updated
Apr 28, 2026
Vendor
HappyMonster
Product
Happy Addons for Elementor
Classifications
CWE-918, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 29, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=3.9.1.1 changes=[{"at":"3.10.0","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

HappyMonster · Happy Addons for Elementorversion=n/a <=3.9.1.1 changes=[{"at":"3.10.0","status":"unaffected"}]

Published CVSS scores

4.9PatchstackCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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