How severe is CVE-2020-15231?

CVE-2020-15231 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2020-15231 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15231?

CVE-2020-15231 affects Mapfish Print. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15231?

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-2020-15231 published?

CVE-2020-15231 was published on 2020-10-02 and last updated on 2026-06-17.

CVE-2020-15231

CVE-2020-15231 is a critical-severity vulnerability in Mapfish Print with a CVSS 3.x base score of 9.3. 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-79.

Key facts

Severity: Critical (CVSS 3.x base score 9.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mapfish Print
Published: 2020-10-02
Last modified: 2026-06-17

Description

In mapfish-print before version 3.24, a user can use the JSONP support to do a Cross-site scripting.

Frequently asked questions

What is CVE-2020-15231?: In mapfish-print before version 3.24, a user can use the JSONP support to do a Cross-site scripting.
How severe is CVE-2020-15231?: CVE-2020-15231 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2020-15231 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15231?: CVE-2020-15231 affects Mapfish Print. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15231?: 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-2020-15231 published?: CVE-2020-15231 was published on 2020-10-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mapfish:print:*:*:*:*:*:*:*:*

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CVE-2020-15232 — Critical (CVSS 9.3): In mapfish-print before version 3.24, a user can do to an XML External Entity (XXE) attack with the provided SDL style.

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