How severe is CVE-2020-36996?

CVE-2020-36996 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-36996 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2020-36996?

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

Does CVE-2020-36996 have an EU (EUVD) identifier?

Yes. CVE-2020-36996 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30963.

When was CVE-2020-36996 published?

CVE-2020-36996 was published on 2026-01-30 and last updated on 2026-06-17.

CVE-2020-36996

CVE-2020-36996 is a medium-severity vulnerability with a CVSS 3.x base score of 6.4. 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 6.4)
CVSS v4: 5.1
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-30963
Weakness: CWE-79
Published: 2026-01-30
Last modified: 2026-06-17

Description

PHPFusion 9.03.50 contains a persistent cross-site scripting vulnerability in the print.php page that fails to properly sanitize user-submitted message content. Attackers can inject malicious JavaScript through forum messages that will execute when the print page is generated, allowing script execution in victim browsers.

Frequently asked questions

What is CVE-2020-36996?: PHPFusion 9.03.50 contains a persistent cross-site scripting vulnerability in the print.php page that fails to properly sanitize user-submitted message content. Attackers can inject malicious JavaScript through forum messages that will execute when the print page is generated, allowing script execution in victim browsers.
How severe is CVE-2020-36996?: CVE-2020-36996 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-36996 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2020-36996?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2020-36996 have an EU (EUVD) identifier?: Yes. CVE-2020-36996 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30963.
When was CVE-2020-36996 published?: CVE-2020-36996 was published on 2026-01-30 and last updated on 2026-06-17.

References

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