langgenius dify 1.13.0 Splash Layout splash.tsx router.replace redirect_url cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k3.25

Summaryinfo

A vulnerability, which was classified as problematic, was found in langgenius dify 1.13.0. Affected by this vulnerability is the function router.replace of the file web/app/(shareLayout)/components/splash.tsx of the component Splash Layout. Such manipulation of the argument redirect_url leads to cross site scripting. This vulnerability is listed as CVE-2026-85021. The attack may be performed from remote. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in langgenius dify 1.13.0. Affected by this issue is the function router.replace of the file web/app/(shareLayout)/components/splash.tsx of the component Splash Layout. The manipulation of the argument redirect_url with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity.

The advisory is shared for download at huntr.com. This vulnerability is handled as CVE-2026-85021. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

The exploit is available at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/02/2026 Advisory disclosed
09/02/2026 +0 days VulDB entry created
09/02/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: huntr.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-85021 (🔒)
GCVE (CVE): GCVE-0-2026-85021
GCVE (VulDB): GCVE-100-398288
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/02/2026 21:52
Changes: 09/02/2026 21:52 (58)
Complete: 🔍
Submitter: trebledj
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #880601: langgenius dify 1.13.0 DOM-Based XSS, Open Redirect (by trebledj)

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