Vulnerability · Published Feb 17, 2026 · Assigned by VulDB

CVE-2026-2622Blossom Article Title ArticleController.java content cross site scripting

Low 3.5

In plain English

A low-severity cross-site scripting in Blossom. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).

Severity (CVSS 3.1)3.5Low

Exploit odds (30 days)0.3%top 77.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
n/a	Blossom	1.17.01.17.1

Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

References

VDB-346273 | Blossom Article Title ArticleController.java content cross site scripting vdb-entry, technical-description
VDB-346273 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #751987 | Blossom Blossom ≤ 1.17.1 Improper Input Validation third-party-advisory
https://fx4tqqfvdw4.feishu.cn/docx/AXa1dpliBomr2Ox6dYJc6jJInEb exploit