CVE-2024-13245: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal C

Routine

MEDIUM 5.4DOWNGRADE

CVE-2024-13245 is a medium-severity flaw (CVSS 5.4) affecting ckeditor 4. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal CKEditor 4 LTS - WYSIWYG HTML editor allows Cross-Site Scripting (XSS).This issue affects CKEditor 4 LTS - WYSIWYG HTML editor: from 1.0.0 before 1.0.1.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-01-09
Last modified	2026-06-17

Publisher (CNA): Drupal.org · Vendor: cksource

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

Am I affected?

Timeline

2025-01-09 19:15 UTCPublished CVE record published
2026-06-17 07:01 UTCUpdated Record last modified

cksource ckeditor 4 DOWNGRADE

Affected: 1.0.0 · 1.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0

1. Check installed version

apt-cache policy ckeditor-4 || rpm -q ckeditor-4 || ckeditor-4 --version

2. No fixed release: DOWNGRADE to a release before 1.0.0 (Debian / Ubuntu)

apt-cache madison ckeditor-4 sudo apt install ckeditor-4=<VERSION_BEFORE_1.0.0> sudo apt-mark hold ckeditor-4

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

dnf --showduplicates list ckeditor-4 sudo dnf downgrade ckeditor-4-<VERSION_BEFORE_1.0.0> sudo dnf versionlock add ckeditor-4

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-2024-13245?

ckeditor 4: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-13245 being exploited?

CVE-2024-13245 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-2024-13245 affect?

CVE-2024-13245 affects ckeditor 4. Severity is medium (CVSS 5.4). Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal CKEditor 4 LTS - WYSIWYG HTML editor allows Cross-Site Scripting (XSS).This issue affects CKEditor 4 LTS - WYSIWYG HTML editor: fro

How urgent is CVE-2024-13245?

Priority 22/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities

References

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