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TI-2026-02238 Aliases CVE-2026-2622GHSA-rm24-2x6v-8w7f

Blossom Article Title ArticleController.java content cross site scripting

Priority MEDIUM 56CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting, Code execution
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79 and CWE-94.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00295 22nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Blossom1.17.0; 1.17.1—No fix listedCNA
  • Blossom Vendor— Affected 1.17.0; 1.17.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wangyunf:blossom:*:*:*:*:*:*:*:*up to 1.17.1VulnerableWangyunf
  • cpe:2.3:a:wangyunf:blossom:*:*:*:*:*:*:*:* Versions up to 1.17.1 Vulnerable ·Wangyunf

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-2622
  2. 2026-10-03 Alias added: GHSA-rm24-2x6v-8w7f

References

  • TI-2026-02239 Blossom File Upload BLOSManager.java put path traversal CVSS 4.0MEDIUM 5.3

Sources