How severe is CVE-2024-45613?

CVE-2024-45613 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-45613 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-45613?

CVE-2024-45613 affects Ckeditor Ckeditor5. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-45613?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-45613 have an EU (EUVD) identifier?

Yes. CVE-2024-45613 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2865.

When was CVE-2024-45613 published?

CVE-2024-45613 was published on 2024-09-25 and last updated on 2026-06-17.

CVE-2024-45613

CVE-2024-45613 is a medium-severity vulnerability in Ckeditor Ckeditor5 with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 5.1
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2865
Weakness: CWE-79
Affected product: Ckeditor Ckeditor5
Published: 2024-09-25
Last modified: 2026-06-17

Description

CKEditor 5 is a JavaScript rich-text editor. Starting in version 40.0.0 and prior to version 43.1.1, a Cross-Site Scripting (XSS) vulnerability is present in the CKEditor 5 clipboard package. This vulnerability could be triggered by a specific user action, leading to unauthorized JavaScript code execution, if the attacker managed to insert a malicious content into the editor, which might happen with a very specific editor configuration. This vulnerability only affects installations where the Block Toolbar plugin is enabled and either the General HTML Support (with a configuration that permits unsafe markup) or the HTML Embed plugin is also enabled. A fix for the problem is available in version 43.1.1. As a workaround, one may disable the block toolbar plugin.

Frequently asked questions

What is CVE-2024-45613?: CKEditor 5 is a JavaScript rich-text editor. Starting in version 40.0.0 and prior to version 43.1.1, a Cross-Site Scripting (XSS) vulnerability is present in the CKEditor 5 clipboard package. This vulnerability could be triggered by a specific user action, leading to unauthorized JavaScript code execution, if the attacker managed to insert a malicious content into the editor, which might happen with a very specific editor configuration. This vulnerability only affects installations where the Block Toolbar plugin is enabled and either the General HTML Support (with a configuration that permits unsafe markup) or the HTML Embed plugin is also enabled. A fix for the problem is available in version 43.1.1. As a workaround, one may disable the block toolbar plugin.
How severe is CVE-2024-45613?: CVE-2024-45613 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-45613 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-45613?: CVE-2024-45613 affects Ckeditor Ckeditor5. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-45613?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-45613 have an EU (EUVD) identifier?: Yes. CVE-2024-45613 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2865.
When was CVE-2024-45613 published?: CVE-2024-45613 was published on 2024-09-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ckeditor:ckeditor5:*:*:*:*:*:*:*:*

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