Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-wmjh-cpqj-4v6x
Advisory ID github_osv/GHSA-wmjh-cpqj-4v6x
Aliases CVE-2025-5320
Summary Gradio CORS Origin Validation Bypass Vulnerability A vulnerability classified as problematic has been found in gradio-app gradio up to 5.29.1. This affects the function is_valid_origin of the component CORS Handler. The manipulation of the argument localhost_aliases leads to origin validation error. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. 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.
Status Published
Exploitability 0.5
Weighted Severity 3.3
Risk 1.6
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-345 Insufficient Verification of Data Authenticity
System Score Found at
cvssv3.1 3.7 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/05/GHSA-wmjh-cpqj-4v6x/GHSA-wmjh-cpqj-4v6x.json
cvssv4 2.9 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/05/GHSA-wmjh-cpqj-4v6x/GHSA-wmjh-cpqj-4v6x.json
generic_textual LOW
Reference id Reference type URL
https://gist.github.com/superboy-zjc/aa3dfa161d7b19d8a53ab4605792f2fe
https://gist.github.com/superboy-zjc/aa3dfa161d7b19d8a53ab4605792f2fe#proof-of-concept-poc
https://github.com/gradio-app/gradio
https://vuldb.com/?ctiid.310491
https://vuldb.com/?id.310491
https://vuldb.com/?submit.580250
CVE-2025-5320 https://nvd.nist.gov/vuln/detail/CVE-2025-5320
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/05/GHSA-wmjh-cpqj-4v6x/GHSA-wmjh-cpqj-4v6x.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/05/GHSA-wmjh-cpqj-4v6x/GHSA-wmjh-cpqj-4v6x.json
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-29T13:43:51Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2025/5xxx/CVE-2025-5320.json

Source Advisory: vulnrichment/CVE-2025-5320

View SSVC decision tree 
[{'Exploitation': 'poc'},
 {'Automatable': 'no'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]