How severe is CVE-2020-15537?

CVE-2020-15537 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-15537 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15537?

CVE-2020-15537 affects Vanguard Project Vanguard. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15537?

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

When was CVE-2020-15537 published?

CVE-2020-15537 was published on 2020-07-05 and last updated on 2026-06-17.

CVE-2020-15537

CVE-2020-15537 is a medium-severity vulnerability in Vanguard Project Vanguard with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Vanguard Project Vanguard
Published: 2020-07-05
Last modified: 2026-06-17

Description

An issue was discovered in the Vanguard plugin 2.1 for WordPress. XSS can occur via the mails/new title field, a product field to the p/ URI, or the Products Search box.

Frequently asked questions

What is CVE-2020-15537?: An issue was discovered in the Vanguard plugin 2.1 for WordPress. XSS can occur via the mails/new title field, a product field to the p/ URI, or the Products Search box.
How severe is CVE-2020-15537?: CVE-2020-15537 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-15537 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15537?: CVE-2020-15537 affects Vanguard Project Vanguard. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15537?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-15537 published?: CVE-2020-15537 was published on 2020-07-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vanguard_project:vanguard:2.1:*:*:*:*:wordpress:*:*

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