CVE-2020-18460: Cross Site Request Forgery (CSRF) vulnerability exists in 711cms v1.0.7 that can add an admin account via admi

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HIGH 8.8DOWNGRADE

CVE-2020-18460 is a high-severity flaw (CVSS 8.8) affecting 711cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Request Forgery (CSRF) vulnerability exists in 711cms v1.0.7 that can add an admin account via admin.php?c=Admin&m=content.

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	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-352
Published	2021-08-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: 711cms

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

Am I affected?

Timeline

2021-08-12 19:15 UTCPublished CVE record published
2026-06-17 02:59 UTCUpdated Record last modified

711cms 711cms DOWNGRADE

Affected: 1.0.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.7

1. Check installed version

apt-cache policy 711cms || rpm -q 711cms || 711cms --version

2. No fixed release: DOWNGRADE to a release before 1.0.7 (Debian / Ubuntu)

apt-cache madison 711cms sudo apt install 711cms=<VERSION_BEFORE_1.0.7> sudo apt-mark hold 711cms

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

dnf --showduplicates list 711cms sudo dnf downgrade 711cms-<VERSION_BEFORE_1.0.7> sudo dnf versionlock add 711cms

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-2020-18460?

711cms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-18460 being exploited?

CVE-2020-18460 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-2020-18460 affect?

CVE-2020-18460 affects 711cms. Severity is high (CVSS 8.8). Cross Site Request Forgery (CSRF) vulnerability exists in 711cms v1.0.7 that can add an admin account via admin.php?c=Admin&m=content.

How urgent is CVE-2020-18460?

Priority 45/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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