Is there a public PoC exploit available for EUVD-2021-34802?

Yes, a public proof-of-concept exploit is available for EUVD-2021-34802. Prioritise patching immediately. EPSS: 0.1%.

Survey Poll EUVD-2021-34802

Q: What is the CVSS score of EUVD-2021-34802?

EUVD-2021-34802 has a CVSS 4.0 base score of 8.8 (High). CVSS vector: CVSS:4.0/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. EPSS exploitation probability: 0.1%.

| CVE-2021-47941 HIGH

SQL Injection (CWE-89)

2026-05-10 VulnCheck

GHSA-9h5v-2xjm-9936

WordPress SQLi Survey Poll Modalsurvey

8.8

CVSS 4.0 · Vendor: VulnCheck

Severity by source

Vendor (VulnCheck) PRIMARY

8.8 HIGH

CVSS:4.0/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

Primary rating from Vendor (VulnCheck) · only source for this CVE.

CVSS VectorVendor: VulnCheck

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

CVSS changed

May 10, 2026 - 13:22 NVD

8.2 (HIGH) 8.8 (HIGH)

CVE Published

May 10, 2026 - 12:43 cve.org

HIGH 8.8

DescriptionCVE.org

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.

AnalysisAI

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. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as SQL Injection (CWE-89), which allows attackers to execute arbitrary SQL commands against the database. 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. Affected products include: Modalsurvey Survey & Poll.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized queries/prepared statements. Never concatenate user input into SQL. Apply least-privilege database permissions.