What is CVE-2025-14284?

CVE-2025-14284 is a medium-severity vulnerability in Tiptap Tiptap\/extension-Link, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-12-09.

How severe is CVE-2025-14284?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Tiptap Tiptap\/extension-Link

CVE-2025-14284

Versions of the package @tiptap/extension-link before 2.10.4 are vulnerable to Cross-site Scripting (XSS) due to unsanitized user input allowed in setting or toggling links. An attacker can execute arbitrary JavaScript code in the context of the application by injecting a javascript: URL payload into these attributes, which is then triggered either by user interaction.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2025-12-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.4th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Tiptap Tiptap\/extension-Link
@Tiptap/extension-Link — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security.snyk.io/vuln/SNYK-JS-TIPTAPEXTENSIONLINK-14222197 (Third Party Advisory)
gist.github.com/th4s1s/3d1b6cd3e7257b14947242f712ec6e1f (Exploit, Third Party Advisory)
github.com/ueberdosis/tiptap/commit/1c2fefe3d61ab1c8fbaa6d6b597251e1b6d9aaed (Patch)
github.com/ueberdosis/tiptap/releases/tag/v2.10.4 (Release Notes)

Frequently asked questions

What is CVE-2025-14284?: CVE-2025-14284 is a medium-severity vulnerability in Tiptap Tiptap\/extension-Link, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-12-09.
How severe is CVE-2025-14284?: Medium severity. CVSS v3 base score is 6.1 out of 10.