CKEditor Open Link plugin vulnerable to Cross-site Scripting

published 2024-09-05 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-41459

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits: 0; none known

ckeditor-plugin-openlink is a plugin for the CKEditor JavaScript text editor that extends the context menu with a possibility to open a link in a new tab. A vulnerability in versions of the plugin prior to 1.0.7 allowed a user to execute JavaScript code by abusing the link href attribute. The fix is available starting with version 1.0.7.

Patch / fix

fixed in 1 links 1

mlewand open_link 1.0.7

github.com/mlewand/ckeditor-plugin-openlink@402391f commit

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-09-06)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

mlewand ckeditor-plugin-openlink

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

CVE List CVE-2024-45400
NVD CVE-2024-45400

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary