How to fix CVE-2025-61261?

Within 30 days: Identify affected systems running CKeditor and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is Angular affected by CVE-2025-61261?

Organizations using CKeditor should be aware of moderate risk from CVE-2025-61261, a cross-site scripting vulnerability rated CVSS 5.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Proof-of-concept code is publicly available.

CVE-2025-61261

MEDIUM

2025-11-07 [email protected]

5.4

CVSS 3.1

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:21 vuln.today

PoC Detected

Dec 11, 2025 - 23:42 vuln.today

Public exploit code

CVE Published

Nov 07, 2025 - 19:16 nvd

MEDIUM 5.4

Description

Analysis

A reflected cross-site scripting (XSS) vulnerability in CKeditor v46.1.0 & Angular v18.0.0 allows attackers to execute arbitrary code in the context of a user's browser via injecting a crafted. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A reflected cross-site scripting (XSS) vulnerability in CKeditor v46.1.0 & Angular v18.0.0 allows attackers to execute arbitrary code in the context of a user's browser via injecting a crafted payload. Affected products include: Angular, Ckeditor Ckeditor5.

Affected Products

Angular, Ckeditor Ckeditor5.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +27

POC: +20

CVE-2025-61261 vulnerability details – vuln.today

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CVE-2025-61261

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CVE-2025-61261

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

Affected Products

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External POC / Exploit Code