How severe is CVE-2021-24762?

CVE-2021-24762 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-24762 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 87% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24762?

CVE-2021-24762 affects Getperfectsurvey Perfect Survey. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24762?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-24762 published?

CVE-2021-24762 was published on 2022-02-01 and last updated on 2026-06-17.

CVE-2021-24762

CVE-2021-24762 is a critical-severity vulnerability in Getperfectsurvey Perfect Survey with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 87% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 87% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Getperfectsurvey Perfect Survey
Published: 2022-02-01
Last modified: 2026-06-17

Description

The Perfect Survey WordPress plugin before 1.5.2 does not validate and escape the question_id GET parameter before using it in a SQL statement in the get_question AJAX action, allowing unauthenticated users to perform SQL injection.

Frequently asked questions

What is CVE-2021-24762?: The Perfect Survey WordPress plugin before 1.5.2 does not validate and escape the question_id GET parameter before using it in a SQL statement in the get_question AJAX action, allowing unauthenticated users to perform SQL injection.
How severe is CVE-2021-24762?: CVE-2021-24762 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-24762 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 87% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24762?: CVE-2021-24762 affects Getperfectsurvey Perfect Survey. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24762?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-24762 published?: CVE-2021-24762 was published on 2022-02-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:getperfectsurvey:perfect_survey:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Getperfectsurvey Perfect Survey

CVE-2021-24763 — High (CVSS 8.8): The Perfect Survey WordPress plugin before 1.5.2 does not have proper authorisation nor CSRF checks in the…
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CVE-2021-24764 — Medium (CVSS 6.1): The Perfect Survey WordPress plugin before 1.5.2 does not sanitise and escape multiple parameters (id and…

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