5.1
MEDIUM CVSS 4.0
CVE-2026-2622
Blossom Article Title ArticleController.java content cross site scripting
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.

INFO

Published Date :

Feb. 17, 2026, 9:22 p.m.

Last Modified :

Feb. 17, 2026, 9:22 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-2622 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 LOW [email protected]
CVSS 4.0 MEDIUM [email protected]
Solution
Sanitize user input in the Article Title Handler to prevent cross-site scripting attacks.
  • Sanitize all article title inputs.
  • Implement strict input validation.
  • Encode output displayed to users.
  • Update Blossom to the latest version.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-2622.

URL Resource
https://fx4tqqfvdw4.feishu.cn/docx/AXa1dpliBomr2Ox6dYJc6jJInEb
https://vuldb.com/?ctiid.346273
https://vuldb.com/?id.346273
https://vuldb.com/?submit.751987
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-2622 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-2622 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-2622 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Feb. 17, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
    Added CVSS V2 (AV:N/AC:L/Au:S/C:N/I:P/A:N)
    Added CWE CWE-79
    Added CWE CWE-94
    Added Reference https://fx4tqqfvdw4.feishu.cn/docx/AXa1dpliBomr2Ox6dYJc6jJInEb
    Added Reference https://vuldb.com/?ctiid.346273
    Added Reference https://vuldb.com/?id.346273
    Added Reference https://vuldb.com/?submit.751987
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.1
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 3.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 4.0
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact