CVE-2022-1386: The Fusion Builder WordPress plugin before 3.6.2, used in the Avada theme, does not validate a parameter in it

Q: How do I fix CVE-2022-1386?

fusion builder: upgrade to 3.6.2; avada: upgrade to 7.6.2. Exact commands for each OS are on this page.

Q: Is CVE-2022-1386 being exploited?

CVE-2022-1386 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-1386 affect?

CVE-2022-1386 affects fusion builder, avada. Severity is critical (CVSS 9.8). The Fusion Builder WordPress plugin before 3.6.2, used in the Avada theme, does not validate a parameter in its forms which could be used to initiate arbitrary HTTP requests. The data returned is then reflected back in the application's res

Q: How urgent is CVE-2022-1386?

Priority 69/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADEUPGRADE

CVE-2022-1386 is a critical-severity flaw (CVSS 9.8) affecting fusion builder, avada. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Fusion Builder WordPress plugin before 3.6.2, used in the Avada theme, does not validate a parameter in its forms which could be used to initiate arbitrary HTTP requests. The data returned is then reflected back in the application's response. This could be used to interact with hosts on the server's local network bypassing firewalls and access control measures.

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	71.4% (top 1%)
CISA exploited list	No
Weakness	CWE-918
Published	2022-05-16
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: fusion builder project · theme-fusion

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-05-16 15:15 UTCPublished CVE record published
2026-06-17 04:22 UTCUpdated Record last modified

fusion builder project fusion builder UPGRADE

Affected: < 3.6.2

Fixed in: 3.6.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fusion-builder || rpm -q fusion-builder || fusion-builder --version

2. UPGRADE to 3.6.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fusion-builder

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fusion-builder

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

theme-fusion avada UPGRADE

Affected: < 7.6.2

Fixed in: 7.6.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy avada || rpm -q avada || avada --version

2. UPGRADE to 7.6.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade avada

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade avada

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora ELN · luksmeta · FIXED · 11-3.eln159 · FEDORA-2026-5176083b78 · source

sudo dnf upgrade --advisory=FEDORA-2026-5176083b78

Fedora 46 · openscad · FIXED · 2021.01-34.fc46 · FEDORA-2026-faf1721128 · source

sudo dnf upgrade --advisory=FEDORA-2026-faf1721128

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: ardzz/CVE-2022-1386 (9 stars)
GitHub PoC: im-hanzou/fubucker (6 stars)
GitHub PoC: zycoder0day/CVE-2022-1386-Mass_Vulnerability (1 stars)
Write-up: wpscan.com/vulnerability/bf7034ab-24c4-461f-a709-3f73988b536b
Write-up: www.rootshellsecurity.net/rootshell-discovered-a-critical-vulnerability-in-top-wordpress-t
GitHub PoC: fayassgit/CVE-2022-1386-FusionBuilder-SSRF
Nuclei scan template: WordPress Fusion Builder <3.6.2 - Server-Side Request Forgery

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-1386?

fusion builder: upgrade to 3.6.2; avada: upgrade to 7.6.2. Exact commands for each OS are on this page.

Is CVE-2022-1386 being exploited?

CVE-2022-1386 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-1386 affect?

CVE-2022-1386 affects fusion builder, avada. Severity is critical (CVSS 9.8). The Fusion Builder WordPress plugin before 3.6.2, used in the Avada theme, does not validate a parameter in its forms which could be used to initiate arbitrary HTTP requests. The data returned is then reflected back in the application's res

How urgent is CVE-2022-1386?

Priority 69/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2023-39311 HIGH 7.1 UPGRADE Cross-Site Request Forgery (CSRF) vulnerability in ThemeFusion Fusion Builder.This issue affects Fusion Builde
CVE-2023-39309 HIGH 8.5 UPGRADE Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in ThemeFus

References

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