CVE-2026-85021CWE-79CWE-94cross-site-scriptingcode-injection

CVE-2026-85021

Medium · published September 3, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
41.7
In the wild
Unconfirmed
What it is

A vulnerability was determined in langgenius dify 1.13.0. Affected is the function router.replace of the file web/app/(shareLayout)/components/splash.tsx of the component Splash Layout. This manipulation of the argument redirect_url causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00497 · 41.7th percentile
Weaknesses
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'); CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-09-03T17:06Z
References (9)
https://gist.github.com/TrebledJ/0e8466e5c39a6fb7dca8a3acdfbe2ddc#file-cvd_dify_vuln1_20260705-md · [email protected]https://github.com/langgenius/dify/ · [email protected]https://github.com/langgenius/dify/security/advisories/GHSA-7qgm-pqv4-668x · [email protected]https://huntr.com/bounties/8ff349b3-db5f-4b56-9ccf-a19abd96e30f · [email protected]https://vuldb.com/cve/CVE-2026-85021 · [email protected]https://vuldb.com/submit/880601 · [email protected]https://vuldb.com/vuln/398288 · [email protected]https://vuldb.com/vuln/398288/cti · [email protected]https://huntr.com/bounties/8ff349b3-db5f-4b56-9ccf-a19abd96e30f · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 04 SEP 03:44Z
    EPSS moved — → 0%
    epss
  • 03 SEP 00:30Z
    langgenius dify Splash Layout splash.tsx router.replace cross site scripting
    cvelistv5