How severe is CVE-2023-30792?

CVE-2023-30792 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-2023-30792 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30792?

CVE-2023-30792 affects Facebook Lexical. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-30792?

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

When was CVE-2023-30792 published?

CVE-2023-30792 was published on 2023-04-29 and last updated on 2026-06-17.

CVE-2023-30792

CVE-2023-30792 is a medium-severity vulnerability in Facebook Lexical 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)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Facebook Lexical
Published: 2023-04-29
Last modified: 2026-06-17

Description

Anchor tag hrefs in Lexical prior to v0.10.0 would render javascript: URLs, allowing for cross-site scripting on link clicks in cases where input was being parsed from untrusted sources.

Frequently asked questions

What is CVE-2023-30792?: Anchor tag hrefs in Lexical prior to v0.10.0 would render javascript: URLs, allowing for cross-site scripting on link clicks in cases where input was being parsed from untrusted sources.
How severe is CVE-2023-30792?: CVE-2023-30792 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-2023-30792 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30792?: CVE-2023-30792 affects Facebook Lexical. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-30792?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-30792 published?: CVE-2023-30792 was published on 2023-04-29 and last updated on 2026-06-17.

References

https://github.com/facebook/lexical/releases/tag/v0.10.0

Affected products (1)

cpe:2.3:a:facebook:lexical:*:*:*:*:*:*:*:*

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