RCE in Wangyunf Blossom
CVE-2026-2622
A vulnerability was detected in Blossom up to 1.17.1. This vulnerability affects the function content of the file blossom-backend/backend/src/main/java/com/blossom/backend/server/article/draft/ArticleController.java of the component Article Title Handler. The manipulation results in cross site scripting. The attack can be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.003 (17.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Wangyunf Blossom
- N/a Blossom — versions 1.17.0, 1.17.1
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, permissions-required, VDB Entry, Third Party Advisory)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-2622?
- CVE-2026-2622 is a low-severity vulnerability in Wangyunf Blossom, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-02-17.
- How severe is CVE-2026-2622?
- Low severity. CVSS v3 base score is 3.5 out of 10.