What is the CVSS score of CVE-2026-25581?

CVE-2026-25581 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Sceditor are affected by CVE-2026-25581?

Organizations using SCEditor should be aware of moderate risk from CVE-2026-25581, a cross-site scripting vulnerability rated CVSS 5.4.. A patch is available.

Is there a public PoC exploit available for CVE-2026-25581?

Yes, a public proof-of-concept exploit is available for CVE-2026-25581. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-25581?

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

Sceditor CVE-2026-25581

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-02-06 security-advisories@github.com

GHSA-25fq-6qgg-qpj8

XSS Sceditor

5.4

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

5.4 MEDIUM

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

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Feb 19, 2026 - 17:23 vuln.today

Public exploit code

Patch released

Feb 19, 2026 - 17:23 nvd

Patch available

CVE Published

Feb 06, 2026 - 21:16 nvd

MEDIUM 5.4

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

2 npm packages depend on sceditor (2 direct, 0 indirect)

Ecosystem-wide dependent count for version 3.2.1.

DescriptionGitHub Advisory

SCEditor is a lightweight WYSIWYG BBCode and XHTML editor. Prior to 3.2.1, if an attacker has the ability control configuration options passed to sceditor.create(), like emoticons, charset, etc. then it's possible for them to trigger an XSS attack due to lack of sanitisation of configuration options. This vulnerability is fixed in 3.2.1.

AnalysisAI

Reflected cross-site scripting in SCEditor prior to version 3.2.1 allows attackers with control over configuration parameters to inject malicious scripts through unsanitized options like emoticons or charset settings. Public exploit code exists for this vulnerability, which affects any application integrating the affected SCEditor versions. A patch is available in version 3.2.1 and later.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Sceditor. SCEditor is a lightweight WYSIWYG BBCode and XHTML editor. Prior to 3.2.1, if an attacker has the ability control configuration options passed to sceditor.create(), like emoticons, charset, etc. then it's possible for them to trigger an XSS attack due to lack of sanitisation of configuration options. This vulnerability is fixed in 3.2.1.

RemediationAI

A vendor patch is available — apply it immediately. Fixed in version 3.2.1.. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.