How severe is CVE-2020-36954?

CVE-2020-36954 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-2020-36954 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2020-36954?

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

Does CVE-2020-36954 have an EU (EUVD) identifier?

Yes. CVE-2020-36954 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30848.

When was CVE-2020-36954 published?

CVE-2020-36954 was published on 2026-01-26 and last updated on 2026-06-17.

CVE-2020-36954

CVE-2020-36954 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% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-30848
Weakness: CWE-79
Published: 2026-01-26
Last modified: 2026-06-17

Description

Xeroneit Library Management System 3.1 contains a stored cross-site scripting vulnerability in the Book Category feature that allows administrators to inject malicious scripts. Attackers can insert a payload in the Category Name field to execute arbitrary JavaScript code when the page is loaded.

Frequently asked questions

What is CVE-2020-36954?: Xeroneit Library Management System 3.1 contains a stored cross-site scripting vulnerability in the Book Category feature that allows administrators to inject malicious scripts. Attackers can insert a payload in the Category Name field to execute arbitrary JavaScript code when the page is loaded.
How severe is CVE-2020-36954?: CVE-2020-36954 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-2020-36954 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2020-36954?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2020-36954 have an EU (EUVD) identifier?: Yes. CVE-2020-36954 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30848.
When was CVE-2020-36954 published?: CVE-2020-36954 was published on 2026-01-26 and last updated on 2026-06-17.

References

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