How severe is CVE-2020-15073?

CVE-2020-15073 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-15073 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15073?

CVE-2020-15073 affects Phplist. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15073?

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

When was CVE-2020-15073 published?

CVE-2020-15073 was published on 2020-07-08 and last updated on 2026-06-17.

CVE-2020-15073

CVE-2020-15073 is a medium-severity vulnerability in Phplist with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Phplist
Published: 2020-07-08
Last modified: 2026-06-17

Description

An issue was discovered in phpList through 3.5.4. An XSS vulnerability occurs within the Import Administrators section via upload of an edited text document. This also affects the Subscriber Lists section.

Frequently asked questions

What is CVE-2020-15073?: An issue was discovered in phpList through 3.5.4. An XSS vulnerability occurs within the Import Administrators section via upload of an edited text document. This also affects the Subscriber Lists section.
How severe is CVE-2020-15073?: CVE-2020-15073 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-15073 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15073?: CVE-2020-15073 affects Phplist. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15073?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-15073 published?: CVE-2020-15073 was published on 2020-07-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phplist:phplist:*:*:*:*:*:*:*:*

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