8.8
HIGH CVSS 4.0
CVE-2021-47941
WordPress Plugin Survey & Poll 1.5.7.3 SQL Injection via sss_params
Description

WordPress Plugin Survey & Poll 1.5.7.3 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the wp_sap cookie parameter. Attackers can craft SQL payloads in the cookie to extract sensitive database information including usernames, passwords, and other confidential data from the WordPress database.

INFO

Published Date :

May 10, 2026, 1:16 p.m.

Last Modified :

July 25, 2026, 10:10 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2021-47941 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Modalsurvey wordpress_survey_and_poll
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 HIGH [email protected]
CVSS 4.0 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 HIGH [email protected]
Solution
Update the WordPress Survey & Poll plugin to fix SQL injection vulnerability.
  • Update the Survey & Poll plugin to the latest version.
  • Sanitize all user inputs, especially cookie parameters.
  • Implement parameterized queries for database operations.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-47941.

URL Resource
http://modalsurvey.pantherius.com/
https://www.exploit-db.com/exploits/50269
https://www.vulncheck.com/advisories/wordpress-plugin-survey-poll-sql-injection-via-sss-params
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-47941 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-47941 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47941 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Translated by [email protected]

    Jul. 25, 2026

    Action Type Old Value New Value
    Changed Translation Title: plugin de WordPress Survey & Poll, Description: El plugin de WordPress Survey & Poll 1.5.7.3 contiene una vulnerabilidad de inyección SQL que permite a atacantes no autenticados ejecutar consultas SQL arbitrarias inyectando código malicioso a través del parámetro de cookie wp_sap. Los atacantes pueden elaborar cargas útiles SQL en la cookie para extraer información sensible de la base de datos, incluyendo nombres de usuario, contraseñas y otros datos confidenciales de la base de datos de WordPress. Title: plugin de WordPress Survey & Poll, Description: El plugin de WordPress Survey & Poll 1.5.7.3 contiene una vulnerabilidad de inyección SQL que permite a atacantes no autenticados ejecutar consultas SQL arbitrarias inyectando código malicioso a través del parámetro de cookie wp_sap. Los atacantes pueden elaborar cargas útiles SQL en la cookie para extraer información sensible de la base de datos, incluyendo nombres de usuario, contraseñas y otros datos confidenciales de la base de datos de WordPress.
  • CVE Translated by [email protected]

    Jul. 24, 2026

    Action Type Old Value New Value
    Added Translation Title: plugin de WordPress Survey & Poll, Description: El plugin de WordPress Survey & Poll 1.5.7.3 contiene una vulnerabilidad de inyección SQL que permite a atacantes no autenticados ejecutar consultas SQL arbitrarias inyectando código malicioso a través del parámetro de cookie wp_sap. Los atacantes pueden elaborar cargas útiles SQL en la cookie para extraer información sensible de la base de datos, incluyendo nombres de usuario, contraseñas y otros datos confidenciales de la base de datos de WordPress.
  • CVE Modified by [email protected]

    Jun. 17, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Modalsurvey', 'product': 'Survey & Poll', 'versions': [{'status': 'affected', 'version': '1.5.7.3'}]}]
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 17, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2021-47941', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-05-11T14:43:45.454866Z'}
  • New CVE Received by [email protected]

    May. 10, 2026

    Action Type Old Value New Value
    Added Description WordPress Plugin Survey & Poll 1.5.7.3 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the wp_sap cookie parameter. Attackers can craft SQL payloads in the cookie to extract sensitive database information including usernames, passwords, and other confidential data from the WordPress database.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
    Added CWE CWE-89
    Added Reference http://modalsurvey.pantherius.com/
    Added Reference https://www.exploit-db.com/exploits/50269
    Added Reference https://www.vulncheck.com/advisories/wordpress-plugin-survey-poll-sql-injection-via-sss-params
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.