crmeb_java WeChatMessageController.java webHook xml external entity reference

published 2025-03-17 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-6464

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits: 0; none known

A vulnerability, which was classified as problematic, has been found in crmeb_java up to 1.3.4. Affected by this issue is the function webHook of the file WeChatMessageController.java. The manipulation leads to xml external entity reference. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 19 mo ago (2025-03-17)

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/jmx0hxq/Vulnerability-learning/blob/main/crmeb-java-xxe1.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA	3.0	6.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

n/a crmeb_java

Classification

Weakness

CWE-611 Improper Restriction of XML External Entity Reference
CWE-610 Externally Controlled Reference to a Resource in Another Sphere

References

github.com /jmx0hxq/Vulnerability-learning/blob/main/crmeb-java-xxe1.md
exploit
vuldb.com /?id.299864
vdb-entry, technical-description
vuldb.com /?ctiid.299864
signature, permissions-required
vuldb.com /?submit.513285
third-party-advisory

Sources

CVE List CVE-2025-2365
NVD CVE-2025-2365

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