CVE-2022-45942: A Remote Code Execution (RCE) vulnerability was found in includes/baijiacms/common.inc.php in baijiacms v4.

This week

HIGH 8.8DOWNGRADE

CVE-2022-45942 is a high-severity flaw (CVSS 8.8) affecting baijiacms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Remote Code Execution (RCE) vulnerability was found in includes/baijiacms/common.inc.php in baijiacms v4.

Why this priority

High severity
EPSS top 2%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	22.0% (top 2%)
CISA exploited list	No
Weakness	CWE-78
Published	2022-12-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: baijiacms project

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

Am I affected?

Timeline

2022-12-20 14:15 UTCPublished CVE record published
2026-06-17 05:11 UTCUpdated Record last modified

baijiacms project baijiacms DOWNGRADE

Affected: >= 4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.0 (Debian / Ubuntu)

apt-cache madison baijiacms sudo apt install baijiacms=<VERSION_BEFORE_4.0> sudo apt-mark hold baijiacms

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

dnf --showduplicates list baijiacms sudo dnf downgrade baijiacms-<VERSION_BEFORE_4.0> sudo dnf versionlock add baijiacms

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-2022-45942?

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

Is CVE-2022-45942 being exploited?

CVE-2022-45942 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-2022-45942 affect?

CVE-2022-45942 affects baijiacms. Severity is high (CVSS 8.8). A Remote Code Execution (RCE) vulnerability was found in includes/baijiacms/common.inc.php in baijiacms v4.

How urgent is CVE-2022-45942?

Priority 60/100. High severity; EPSS top 2%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2022-38931 HIGH 8.8 DOWNGRADE A Server-Side Request Forgery (SSRF) in fetch_net_file_upload function of baijiacmsV4 v4.1.4 allows remote att
CVE-2022-35150 CRITICAL 9.8 DOWNGRADE Baijicms v4 was discovered to contain an arbitrary file upload vulnerability.
CVE-2021-33396 MEDIUM 6.5 DOWNGRADE Cross Site Request Forgery (CSRF) vulnerability in baijiacms 4.1.4, allows attackers to change the password or

References

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