yapi 1.9.1 Edit Page /interface/api cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in yapi 1.9.1. It has been rated as problematic. Affected by this issue is some unknown functionality of the file /interface/api of the component Edit Page. This manipulation causes cross site scripting. This vulnerability appears as CVE-2021-36686. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in yapi 1.9.1. Affected by this vulnerability is an unknown function of the file /interface/api of the component Edit Page. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The summary by CVE is:

Cross Site Scripting (XSS) vulnerability in yapi 1.9.1 allows attackers to execute arbitrary code via the /interface/api edit page.

The weakness was presented 01/27/2023 as 2190. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-36686 since 07/12/2021. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-0328). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

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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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

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

07/12/2021 🔍
01/27/2023 +564 days 🔍
01/27/2023 +0 days 🔍
07/02/2025 +887 days 🔍

Sourcesinfo

Advisory: 2190
Status: Confirmed

CVE: CVE-2021-36686 (🔍)
GCVE (CVE): GCVE-0-2021-36686
GCVE (VulDB): GCVE-100-219583
EUVD: 🔍

Entryinfo

Created: 01/27/2023 11:31
Updated: 07/02/2025 15:49
Changes: 01/27/2023 11:31 (39), 02/23/2023 10:57 (11), 04/01/2025 22:47 (16), 07/02/2025 15:49 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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