How severe is CVE-2020-5223?

CVE-2020-5223 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2020-5223 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5223?

CVE-2020-5223 affects Privatebin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-5223?

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

When was CVE-2020-5223 published?

CVE-2020-5223 was published on 2020-01-23 and last updated on 2026-06-17.

CVE-2020-5223

CVE-2020-5223 is a medium-severity vulnerability in Privatebin 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: 2.1
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Privatebin
Published: 2020-01-23
Last modified: 2026-06-17

Description

In PrivateBin versions 1.2.0 before 1.2.2, and 1.3.0 before 1.3.2, a persistent XSS attack is possible. Under certain conditions, a user provided attachment file name can inject HTML leading to a persistent Cross-site scripting (XSS) vulnerability. The vulnerability has been fixed in PrivateBin v1.3.2 & v1.2.2. Admins are urged to upgrade to these versions to protect the affected users.

Frequently asked questions

What is CVE-2020-5223?: In PrivateBin versions 1.2.0 before 1.2.2, and 1.3.0 before 1.3.2, a persistent XSS attack is possible. Under certain conditions, a user provided attachment file name can inject HTML leading to a persistent Cross-site scripting (XSS) vulnerability. The vulnerability has been fixed in PrivateBin v1.3.2 & v1.2.2. Admins are urged to upgrade to these versions to protect the affected users.
How severe is CVE-2020-5223?: CVE-2020-5223 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2020-5223 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5223?: CVE-2020-5223 affects Privatebin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5223?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-5223 published?: CVE-2020-5223 was published on 2020-01-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:privatebin:privatebin:*:*:*:*:*:*:*:*

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