Server-side template injection in beetl

published 2023-05-04 3 y ago modified 2026-06-17 4 mo ago also GHSA-m69h-4frq-vwq7 , EUVD-2023-1575

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits: 0; none known

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

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: total
Assessed: 21 mo ago (2025-01-29)

Exploit prediction

0.93% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

gitee.com https://gitee.com/xiandafu/beetl/issues/I6RUIP referenced PoC, tagged "exploit" by a source, unverified
github.com https://github.com/luelueking/Beetl-3.15.0-vuln-poc referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
maven	com.ibeetl:beetl	<=3.15.0.RELEASE	no fix listed

References

gitee.com /xiandafu/beetl/issues/I6RUIP
web, exploit, issue-tracking, third-party-advisory
github.com /luelueking/Beetl-3.15.0-vuln-poc
web, exploit, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2023-30331
advisory
github.com /javamonkey/beetl2.0
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary