Simplephpscripts Simple CMS 2.1 editUser 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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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Simplephpscripts Simple CMS 2.1. Affected by this vulnerability is an unknown functionality of the component editUser Module. The manipulation leads to cross site scripting. This vulnerability is listed as CVE-2021-47917. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Simplephpscripts Simple CMS 2.1. It has been rated as problematic. This issue affects an unknown functionality of the component editUser Module. The manipulation 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 summary by CVE is:

Simple CMS 2.1 contains a persistent cross-site scripting vulnerability in user input parameters that allows remote attackers to inject malicious script code. Attackers can exploit the newUser and editUser modules to inject persistent scripts that execute on user list preview, potentially leading to session hijacking and application manipulation.

The weakness was presented with Vulnerability-Lab. The advisory is shared at vulnerability-lab.com. The identification of this vulnerability is CVE-2021-47917 since 02/01/2026. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

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 databases at CNNVD (CNNVD-202602-034) and EUVD (EUVD-2021-34754). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.1

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

NVD Base Score: 5.4
NVD Vector: 🔒

CNA Base Score: 6.4
CNA Vector (VulnCheck): 🔒

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: 🔒
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

02/01/2026 Advisory disclosed
02/01/2026 +0 days CVE reserved
02/01/2026 +0 days VulDB entry created
02/12/2026 +11 days VulDB entry last update

Sourcesinfo

Advisory: vulnerability-lab.com
Organization: Vulnerability-Lab
Status: Not defined

CVE: CVE-2021-47917 (🔒)
GCVE (CVE): GCVE-0-2021-47917
GCVE (VulDB): GCVE-100-343673
EUVD: 🔒
CNNVD: CNNVD-202602-034 - Simple CMS 跨站脚本漏洞

Entryinfo

Created: 02/01/2026 16:43
Updated: 02/12/2026 02:12
Changes: 02/01/2026 16:43 (76), 02/02/2026 00:54 (1), 02/03/2026 00:31 (6), 02/12/2026 02:12 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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