CVE-2022-1103: The Advanced Uploader WordPress plugin through 4.2 allows any authenticated users like subscriber to upload ar

Q: How do I fix CVE-2022-1103?

advanced uploader: upgrade to newer than 4.2. Exact commands for each OS are on this page.

Q: Is CVE-2022-1103 being exploited?

CVE-2022-1103 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-2022-1103 affect?

CVE-2022-1103 affects advanced uploader. Severity is high (CVSS 8.8). The Advanced Uploader WordPress plugin through 4.2 allows any authenticated users like subscriber to upload arbitrary files, such as PHP, which could lead to RCE

Q: How urgent is CVE-2022-1103?

Priority 60/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference

This week

HIGH 8.8UPGRADE

CVE-2022-1103 is a high-severity flaw (CVSS 8.8) affecting advanced uploader. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Advanced Uploader WordPress plugin through 4.2 allows any authenticated users like subscriber to upload arbitrary files, such as PHP, which could lead to RCE

Why this priority

High severity
EPSS top 3%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	15.6% (top 3%)
CISA exploited list	No
Weakness	CWE-434
Published	2022-05-16
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: advanced uploader project

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 04:21 UTCUpdated Record last modified

advanced uploader project advanced uploader UPGRADE

Affected: <= 4.2

Fixed in: newer than 4.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy advanced-uploader || rpm -q advanced-uploader || advanced-uploader --version

2. UPGRADE to newer than 4.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade advanced-uploader

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade advanced-uploader

Note

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

Public exploits and detection

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

Exploit-DB: WordPress Plugin Advanced Uploader 4.2 - Arbitrary File Upload (Authenticated)

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-2022-1103?

advanced uploader: upgrade to newer than 4.2. Exact commands for each OS are on this page.

Is CVE-2022-1103 being exploited?

CVE-2022-1103 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-2022-1103 affect?

CVE-2022-1103 affects advanced uploader. Severity is high (CVSS 8.8). The Advanced Uploader WordPress plugin through 4.2 allows any authenticated users like subscriber to upload arbitrary files, such as PHP, which could lead to RCE

How urgent is CVE-2022-1103?

Priority 60/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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