How severe is CVE-2020-12113?

CVE-2020-12113 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-12113 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12113?

CVE-2020-12113 affects Bigbluebutton. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-12113?

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

When was CVE-2020-12113 published?

CVE-2020-12113 was published on 2020-04-23 and last updated on 2026-06-17.

CVE-2020-12113

CVE-2020-12113 is a medium-severity vulnerability in Bigbluebutton 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: 4.3
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Bigbluebutton
Published: 2020-04-23
Last modified: 2026-06-17

Description

BigBlueButton before 2.2.4 allows XSS via closed captions because dangerouslySetInnerHTML in React is used.

Frequently asked questions

What is CVE-2020-12113?: BigBlueButton before 2.2.4 allows XSS via closed captions because dangerouslySetInnerHTML in React is used.
How severe is CVE-2020-12113?: CVE-2020-12113 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-12113 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12113?: CVE-2020-12113 affects Bigbluebutton. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-12113?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-12113 published?: CVE-2020-12113 was published on 2020-04-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bigbluebutton:bigbluebutton:*:*:*:*:*:*:*:*

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