How severe is CVE-2020-7643?

CVE-2020-7643 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2020-7643 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7643?

CVE-2020-7643 affects Idea Paypal-adaptive. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7643?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-7643 published?

CVE-2020-7643 was published on 2020-04-23 and last updated on 2026-06-17.

CVE-2020-7643

CVE-2020-7643 is a medium-severity vulnerability in Idea Paypal-adaptive with a CVSS 3.x base score of 5.3. 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-1321.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1321
Affected product: Idea Paypal-adaptive
Published: 2020-04-23
Last modified: 2026-06-17

Description

paypal-adaptive through 0.4.2 manipulation of JavaScript objects resulting in Prototype Pollution. The PayPal function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.

Frequently asked questions

What is CVE-2020-7643?: paypal-adaptive through 0.4.2 manipulation of JavaScript objects resulting in Prototype Pollution. The PayPal function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.
How severe is CVE-2020-7643?: CVE-2020-7643 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2020-7643 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7643?: CVE-2020-7643 affects Idea Paypal-adaptive. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7643?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-7643 published?: CVE-2020-7643 was published on 2020-04-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:idea:paypal-adaptive:*:*:*:*:*:node.js:*:*

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