CVE-2020-36738: The Cool Timeline (Horizontal & Vertical Timeline) plugin for WordPress is vulnerable to Cross-Site Request Fo

Q: How do I fix CVE-2020-36738?

cool timeline: upgrade to 2.0.3. Exact commands for each OS are on this page.

Q: Is CVE-2020-36738 being exploited?

CVE-2020-36738 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-36738 affect?

CVE-2020-36738 affects cool timeline. Severity is medium (CVSS 4.3). The Cool Timeline (Horizontal & Vertical Timeline) plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.0.2. This is due to missing or incorrect nonce validation on the ctl_save() function. Th

Q: How urgent is CVE-2020-36738?

Priority 30/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2020-36738 is a medium-severity flaw (CVSS 4.3) affecting cool timeline. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Cool Timeline (Horizontal & Vertical Timeline) plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.0.2. This is due to missing or incorrect nonce validation on the ctl_save() function. This makes it possible for unauthenticated attackers to save field icons via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-352
Published	2023-07-01
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: coolplugins

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

Am I affected?

Timeline

2023-07-01 04:15 UTCPublished CVE record published
2026-06-17 03:16 UTCUpdated Record last modified

coolplugins cool timeline UPGRADE

Affected: < 2.0.3

Fixed in: 2.0.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cool-timeline || rpm -q cool-timeline || cool-timeline --version

2. UPGRADE to 2.0.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cool-timeline

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cool-timeline

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2020-36738?

cool timeline: upgrade to 2.0.3. Exact commands for each OS are on this page.

Is CVE-2020-36738 being exploited?

CVE-2020-36738 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-2020-36738 affect?

CVE-2020-36738 affects cool timeline. Severity is medium (CVSS 4.3). The Cool Timeline (Horizontal & Vertical Timeline) plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.0.2. This is due to missing or incorrect nonce validation on the ctl_save() function. Th

How urgent is CVE-2020-36738?

Priority 30/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2022-4950 HIGH 8.8 UPGRADE UPGRADE Several WordPress plugins developed by Cool Plugins are vulnerable to arbitrary plugin installation and activa

References

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