Every CVE Search/ Get API key

CVE-2020-36389

In CiviCRM before 5.28.1 and CiviCRM ESR before 5.27.5 ESR, the CKEditor configuration form...

4.3 MediumFix available

In CiviCRM before 5.28.1 and CiviCRM ESR before 5.27.5 ESR, the CKEditor configuration form allows CSRF.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
Low
Availability
None

Exploit likelihood

0.66%Up 0.2 points since Jun 19, 2021
90%50%10%1%

What each source reports

NVD Score used 4.3

In CiviCRM before 5.28.1 and CiviCRM ESR before 5.27.5 ESR, the CKEditor configuration form allows CSRF.

Record
CVE-2020-36389
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-352
Updated
2026-11-02
CVE List No score

In CiviCRM before 5.28.1 and CiviCRM ESR before 5.27.5 ESR, the CKEditor configuration form allows CSRF.

Record
CVE-2020-36389
Updated
2026-11-02
EUVDEUVD-2020-23920 No score

In CiviCRM before 5.28.1 and CiviCRM ESR before 5.27.5 ESR, the CKEditor configuration form allows CSRF.

Record
EUVD-2020-23920
Updated
2026-11-03
GitHub AdvisoriesGHSA-pxgv-6gmm-ggxw 4.3

In CiviCRM before 5.28.1 and CiviCRM ESR before 5.27.5 ESR, the CKEditor configuration form...

In CiviCRM before 5.28.1 and CiviCRM ESR before 5.27.5 ESR, the CKEditor configuration form allows CSRF.

Record
GHSA-pxgv-6gmm-ggxw
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness
CWE-352
Updated
2026-11-02
OSV 4.3

In CiviCRM before 5.28.1 and CiviCRM ESR before 5.27.5 ESR, the CKEditor configuration form allows CSRF.

Record
CVE-2020-36389
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2020-36389 4.3

In CiviCRM before 5.28.1 and CiviCRM ESR before 5.27.5 ESR, the CKEditor configuration form allows CSRF.

Record
DEBIAN-CVE-2020-36389
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2020-36389 4.3

In CiviCRM before 5.28.1 and CiviCRM ESR before 5.27.5 ESR, the CKEditor configuration form allows CSRF.

Record
UBUNTU-CVE-2020-36389
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Updated
2026-11-02
OSVBIT-civicrm-2020-36389 No score

In CiviCRM before 5.28.1 and CiviCRM ESR before 5.27.5 ESR, the CKEditor configuration form allows CSRF.

Record
BIT-civicrm-2020-36389
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
civicrm
Bitnami
 before 5.27.5, before 5.28.1
5.27.55.28.1
civicrm
Debian:11
 before 5.28.4+dfsg1-1
5.28.4+dfsg1-1
civicrm
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
4.7.1+dfsg-14.7.1+dfsg-24.7.1+dfsg-2ubuntu14.7.1+dfsg-2ubuntu1+esm1
 None known
civicrm
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
4.7.23+dfsg-1ubuntu14.7.24+dfsg-1ubuntu14.7.30+dfsg-1ubuntu14.7.30+dfsg-1ubuntu1+esm1
 None known
civicrm
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
5.11.0+dfsg-15.18.1+dfsg-15.20.3+dfsg-15.21.0+dfsg-15.21.1+dfsg-15.21.2+dfsg-15.21.2+dfsg-1ubuntu0.1~esm1
 None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-36389 is a medium vulnerability (CVSS 4.3) in Civicrm, published June 17, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.66%, the 51st percentile. Fixed in civicrm 5.27.5.

References

Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open