How severe is CVE-2021-24390?

CVE-2021-24390 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-24390 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24390?

CVE-2021-24390 affects Alipay Project Alipay. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24390?

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

When was CVE-2021-24390 published?

CVE-2021-24390 was published on 2021-09-06 and last updated on 2026-06-17.

CVE-2021-24390

CVE-2021-24390 is a high-severity vulnerability in Alipay Project Alipay with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Alipay Project Alipay
Published: 2021-09-06
Last modified: 2026-06-17

Description

A proid GET parameter of the WordPress支付宝Alipay|财付通Tenpay|贝宝PayPal集成插件 WordPress plugin through 3.7.2 is not sanitised, properly escaped or validated before inserting to a SQL statement not delimited by quotes, leading to SQL injection.

Frequently asked questions

What is CVE-2021-24390?: A proid GET parameter of the WordPress支付宝Alipay|财付通Tenpay|贝宝PayPal集成插件 WordPress plugin through 3.7.2 is not sanitised, properly escaped or validated before inserting to a SQL statement not delimited by quotes, leading to SQL injection.
How severe is CVE-2021-24390?: CVE-2021-24390 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-24390 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24390?: CVE-2021-24390 affects Alipay Project Alipay. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24390?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-24390 published?: CVE-2021-24390 was published on 2021-09-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:alipay_project:alipay:*:*:*:*:*:wordpress:*:*

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