CVE-2018-5377 Discuz! DiscuzX X3.4 allows remote attackers to bypass intended access restrictions via the archiver\index.php action parameter.

CriticalCVSS 9.8 EPSS 2.1%

Published: 2018-01-12 11:00
Updated: 2026-06-17 05:00
Exploit status: No public exploit known

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Description

Discuz! DiscuzX X3.4 allows remote attackers to bypass intended access restrictions via the archiver\index.php action parameter.

Affected products

Product	Affected versions	Fixed in
discuzx	= x3.4	No fix listed

References

www.whsgwl.net third-party-advisory

CVSS v3.0

9.8 Critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

All scores (2)

v3.0 9.8 · nvd@nist.gov
v2.0 7.5 · nvd@nist.gov

Weakness & likelihood

EPSS (exploitation probability, 30 days): 2.09% (percentile 81.9)
CWE: CWE-862

Public exploit references

Metadata only. CVERadar never hosts or runs exploit code.

No public exploit references known.