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CVE-2021-24442 (GCVE-0-2021-24442)

Vulnerability from cvelistv5 – Published: 2021-07-12 19:21 – Updated: 2024-08-03 19:28
VLAI Shadowserver Previdian
Title
Poll, Survey, Questionnaire and Voting system < 1.5.3 - Unauthenticated Blind SQL Injection
Summary
The Poll, Survey, Questionnaire and Voting system WordPress plugin before 1.5.3 did not sanitise, escape or validate the date_answers[] POST parameter before using it in a SQL statement when sending a Poll result, allowing unauthenticated users to perform SQL Injection attacks
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
wpdevart Poll, Survey, Questionnaire and Voting system Affected: 1.5.3 , < 1.5.3 (custom)
guessed Create a notification for this product.
Credits
Toby Jackson
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 78ad6bce-bef1-4ebe-8183-c9e0020b8234

Vulnerability ID: CVE-2021-24442

Status: Confirmed

Status Updated: 2026-07-19 00:00 UTC

Exploited: Yes

Characteristics
Severity: 98.0
Timestamps
First Seen: 2025-06-06
Asserted: 2025-06-06
Last Seen: 2026-07-19
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Wordpress / Wordpress Poll, Survey, Questionnaire and Voting system plugin | Class: cms | Severity: Critical (CVSS 9.8) | IoT: no | In CISA KEV: no | Honeypot connections on 2026-07-19: 1
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class cms
7D Avg 0
Vendor Wordpress
30D Avg 1
90D Avg 2
Product Wordpress Poll, Survey, Questionnaire and Voting system plugin
Cisa Kev no
Connections 1
Observation Date 2026-07-19
Vulnerability Class CVSS
Vulnerability Score 9.8
Vulnerability Severity Critical
References
Created: 2026-06-30 09:23 UTC | Updated: 2026-07-21 01:01 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 47dc2a08-8792-4767-b1a6-090f419a7efc

Vulnerability ID: CVE-2021-24442

Status: Confirmed

Status Updated: 2025-07-06 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2025-07-06
Asserted: 2025-07-06
Scope
Notes: KEVIntel entry: Poll, Survey, Questionnaire and Voting system < 1.5.3 - Unauthenticated Blind SQL Injection | Affected: wpdevart / Poll, Survey, Questionnaire and Voting system | CVSS: 9.8 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title Poll, Survey, Questionnaire and Voting system < 1.5.3 - Unauthenticated Blind SQL Injection
Vendor wpdevart
Product Poll, Survey, Questionnaire and Voting system
Added Date 2025-07-06T00:00:00.000Z
Cvss Score 9.8
Epss Score None
Cvss Severity CRITICAL
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-06-23 14:03 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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