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Fencer Vulns
medium 5.5

CVE-2023-3276 json

Dromara HuTool XML Parsing Module XmlUtil.java readBySax xml external entity reference

published 2023-06-15 3 y ago modified 2026-06-17 4 mo ago also GHSA-p2qf-9vp6-3jjq , EUVD-2023-1851

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

A vulnerability, which was classified as problematic, has been found in Dromara HuTool up to 5.8.19. Affected by this issue is the function readBySax of the file XmlUtil.java of the component XML Parsing Module. The manipulation leads to xml external entity reference. The exploit has been disclosed to the public and may be used. VDB-231626 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

0.73% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • fbdhhhh47.github.io https://fbdhhhh47.github.io/2023/06/06/hutool-XXE/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.5 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 3.0 5.5 CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA 2.0 5.2 AV:A/AC:L/Au:S/C:P/I:P/A:P
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
maven cn.hutool:hutool-core
<=5.8.19
no fix listed

Affected products

  • Dromara HuTool

Classification

Weakness
  • CWE-611 Improper Restriction of XML External Entity Reference

References

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.