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Description

A vulnerability has been found in langgenius dify up to 1.13.3. Impacted is the function openInNewTab of the file web/app/components/base/image-uploader/image-preview.tsx of the component ImagePreview. The manipulation of the argument filename leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

PUBLISHED Reserved 2026-04-19 | Published 2026-04-20 | Updated 2026-04-20 | Assigner VulDB




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
LOW: 3.5CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
LOW: 3.5CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
4.0AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

Problem types

Cross Site Scripting

Code Injection

Product status

1.13.0
affected

1.13.1
affected

1.13.2
affected

1.13.3
affected

Timeline

2026-04-19:Advisory disclosed
2026-04-19:VulDB entry created
2026-04-19:VulDB entry last update

Credits

Eric-g (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/358254 (VDB-358254 | langgenius dify ImagePreview image-preview.tsx openInNewTab cross site scripting) vdb-entry technical-description

vuldb.com/vuln/358254/cti (VDB-358254 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/792242 (Submit #792242 | LangGenius Dify v1.13.3 Cross-Site Scripting (CWE-79)) third-party-advisory

gist.github.com/...user2025/a8ac169dad5cf84811cf9c0505491ea8 exploit

cve.org (CVE-2026-6619)

nvd.nist.gov (CVE-2026-6619)

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