How severe is CVE-2023-30331?

CVE-2023-30331 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-30331 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30331?

CVE-2023-30331 affects Beetl Project Beetl. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-30331?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-30331 published?

CVE-2023-30331 was published on 2023-05-04 and last updated on 2026-06-17.

CVE-2023-30331

CVE-2023-30331 is a critical-severity vulnerability in Beetl Project Beetl with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Beetl Project Beetl
Published: 2023-05-04
Last modified: 2026-06-17

Description

An issue in the render function of beetl v3.15.0 allows attackers to execute server-side template injection (SSTI) via a crafted payload.

Frequently asked questions

What is CVE-2023-30331?: An issue in the render function of beetl v3.15.0 allows attackers to execute server-side template injection (SSTI) via a crafted payload.
How severe is CVE-2023-30331?: CVE-2023-30331 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-30331 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30331?: CVE-2023-30331 affects Beetl Project Beetl. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-30331?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-30331 published?: CVE-2023-30331 was published on 2023-05-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:beetl_project:beetl:3.15:0:*:*:*:*:*:*