CVE-2020-18648: Cross Site Request Forgery (CSRF) in JuQingCMS v1.0 allows remote attackers to gain local privileges via the c

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HIGH 8.8DOWNGRADE

CVE-2020-18648 is a high-severity flaw (CVSS 8.8) affecting juqingcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Request Forgery (CSRF) in JuQingCMS v1.0 allows remote attackers to gain local privileges via the component "JuQingCMS_v1.0/admin/index.php?c=administrator&a=add".

Why this priority

High severity
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	None
User interaction	Required
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-352
Published	2021-06-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: juqingcms

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

Am I affected?

Timeline

2021-06-22 15:15 UTCPublished CVE record published
2026-06-17 02:59 UTCUpdated Record last modified

juqingcms juqingcms DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison juqingcms sudo apt install juqingcms=<VERSION_BEFORE_1.0> sudo apt-mark hold juqingcms

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

dnf --showduplicates list juqingcms sudo dnf downgrade juqingcms-<VERSION_BEFORE_1.0> sudo dnf versionlock add juqingcms

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-2020-18648?

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

Is CVE-2020-18648 being exploited?

CVE-2020-18648 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-2020-18648 affect?

CVE-2020-18648 affects juqingcms. Severity is high (CVSS 8.8). Cross Site Request Forgery (CSRF) in JuQingCMS v1.0 allows remote attackers to gain local privileges via the component "JuQingCMS_v1.0/admin/index.php?c=administrator&a=add".

How urgent is CVE-2020-18648?

Priority 49/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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