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

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-17 · updated 2026-06-17
Weakness: CWE-79

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

Blossom: through 1.17.1

References

https://fx4tqqfvdw4.feishu.cn/docx/AXa1dpliBomr2Ox6dYJc6jJInEb
https://vuldb.com/?ctiid.346273
https://vuldb.com/?id.346273
https://vuldb.com/?submit.751987

Get alerted when CVE-2026-2622 or the next vulnerability affects your stack