CVE-2022-48006: An arbitrary file upload vulnerability in taocms v3.0.2 allows attackers to execute arbitrary code via a craft

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2022-48006 is a critical-severity flaw (CVSS 9.8) affecting taocms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An arbitrary file upload vulnerability in taocms v3.0.2 allows attackers to execute arbitrary code via a crafted PHP file. This vulnerability is exploited via manipulation of the upext variable at /include/Model/Upload.php.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-434
Published	2023-01-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: taogogo

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

Am I affected?

Timeline

2023-01-30 22:15 UTCPublished CVE record published
2026-06-17 05:14 UTCUpdated Record last modified

taogogo taocms DOWNGRADE

Affected: 3.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.0.2 (Debian / Ubuntu)

apt-cache madison taocms sudo apt install taocms=<VERSION_BEFORE_3.0.2> sudo apt-mark hold taocms

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list taocms sudo dnf downgrade taocms-<VERSION_BEFORE_3.0.2> sudo dnf versionlock add taocms

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2022-48006?

taocms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-48006 being exploited?

CVE-2022-48006 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-2022-48006 affect?

CVE-2022-48006 affects taocms. Severity is critical (CVSS 9.8). An arbitrary file upload vulnerability in taocms v3.0.2 allows attackers to execute arbitrary code via a crafted PHP file. This vulnerability is exploited via manipulation of the upext variable at /include/Model/Upload.php.

How urgent is CVE-2022-48006?

Priority 59/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2022-36262 CRITICAL 9.8 DOWNGRADE An issue was discovered in taocms 3.0.2
CVE-2022-25578 CRITICAL 9.8 DOWNGRADE taocms v3.0.2 allows attackers to execute code injection via arbitrarily editing the .htaccess file.
CVE-2024-33350 CRITICAL 9.8 DOWNGRADE Directory Traversal vulnerability in TaoCMS v.3.0.2 allows a remote attacker to execute arbitrary code and obt
CVE-2023-34654 MEDIUM 6.1 UPGRADE taocms <=3.0.2 is vulnerable to Cross Site Scripting (XSS).
CVE-2023-1947 MEDIUM 6.3 DOWNGRADE A vulnerability was found in taoCMS 3.0.2

References

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