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Fencer Intel
medium 5.4

CVE-2024-8400 json

Stored XSS in gaizhenbiao/chuanhuchatgpt

published last yr. modified 4mo ago also EUVD-2025-6898

cvss
5.4
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits
0
none known

Summary

A stored cross-site scripting (XSS) vulnerability exists in the latest version of gaizhenbiao/chuanhuchatgpt. The vulnerability allows an attacker to upload a malicious HTML file containing JavaScript code, which is then executed when the file is accessed. This can lead to the execution of arbitrary JavaScript in the context of the user's browser.

Patch / fix

  • gaizhenbiao gaizhenbiao/chuanhuchatgpt 20240410

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

  • huntr.com https://huntr.com/bounties/405f16b8-848e-427d-a61a-ea7d3fd6f0e3 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 5.4 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

  • gaizhenbiao gaizhenbiao/chuanhuchatgpt

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.