CVE-2022-45276: An issue in the /index/user/user_edit.html component of YJCMS v1.0.9 allows unauthenticated attackers to obtai

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2022-45276 is a critical-severity flaw (CVSS 9.8) affecting yjcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in the /index/user/user_edit.html component of YJCMS v1.0.9 allows unauthenticated attackers to obtain the Administrator account password.

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 41%)
CISA exploited list	No
Weakness	CWE-425
Published	2022-11-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: eyunjing

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

Am I affected?

Timeline

2022-11-23 21:15 UTCPublished CVE record published
2026-06-17 05:09 UTCUpdated Record last modified

eyunjing yjcms DOWNGRADE

Affected: 1.0.9

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.9

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0.9 (Debian / Ubuntu)

apt-cache madison yjcms sudo apt install yjcms=<VERSION_BEFORE_1.0.9> sudo apt-mark hold yjcms

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

dnf --showduplicates list yjcms sudo dnf downgrade yjcms-<VERSION_BEFORE_1.0.9> sudo dnf versionlock add yjcms

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-2022-45276?

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

Is CVE-2022-45276 being exploited?

CVE-2022-45276 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-2022-45276 affect?

CVE-2022-45276 affects yjcms. Severity is critical (CVSS 9.8). An issue in the /index/user/user_edit.html component of YJCMS v1.0.9 allows unauthenticated attackers to obtain the Administrator account password.

How urgent is CVE-2022-45276?

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

References

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