XSS in Samclarke Sceditor
CVE-2026-25581
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (12.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Samclarke Sceditor — versions < 3.2.1
- Sceditor
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-25581?
- CVE-2026-25581 is a medium-severity vulnerability in Samclarke Sceditor, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-02-06.
- How severe is CVE-2026-25581?
- Medium severity. CVSS v3 base score is 5.4 out of 10.