CVE-2020-21658: A Cross-Site Request Forgery (CSRF) in WDJA CMS v1.5.2 allows attackers to arbitrarily add administrator accou

Routine

MEDIUM 6.5DOWNGRADE

CVE-2020-21658 is a medium-severity flaw (CVSS 6.5) affecting wdja cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Cross-Site Request Forgery (CSRF) in WDJA CMS v1.5.2 allows attackers to arbitrarily add administrator accounts via a crafted URL.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-352
Published	2021-10-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: wdja

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

Am I affected?

Timeline

2021-10-06 22:15 UTCPublished CVE record published
2026-06-17 03:03 UTCUpdated Record last modified

wdja wdja cms DOWNGRADE

Affected: 1.5.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.5.2 (Debian / Ubuntu)

apt-cache madison wdja-cms sudo apt install wdja-cms=<VERSION_BEFORE_1.5.2> sudo apt-mark hold wdja-cms

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

dnf --showduplicates list wdja-cms sudo dnf downgrade wdja-cms-<VERSION_BEFORE_1.5.2> sudo dnf versionlock add wdja-cms

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-2020-21658?

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

Is CVE-2020-21658 being exploited?

CVE-2020-21658 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-2020-21658 affect?

CVE-2020-21658 affects wdja cms. Severity is medium (CVSS 6.5). A Cross-Site Request Forgery (CSRF) in WDJA CMS v1.5.2 allows attackers to arbitrarily add administrator accounts via a crafted URL.

How urgent is CVE-2020-21658?

Priority 38/100. Public exploit reference

Related CVEs

CVE-2020-23631 MEDIUM 6.1 DOWNGRADE Cross-site request forgery (CSRF) in admin/global/manage.php in WDJA CMS 1.5 allows remote attackers to conduc
CVE-2020-21648 CRITICAL 9.1 DOWNGRADE WDJA CMS v1.5.2 contains an arbitrary file deletion vulnerability in the component admin/cache/manage.php.
CVE-2020-20982 CRITICAL 9.6 DOWNGRADE Cross Site Scripting (XSS) vulnerability in shadoweb wdja v1.5.1, allows attackers to execute arbitrary code a

References

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