CVE-2026-8747 | THREATINT

Description

A weakness has been identified in Z-BlogPHP 1.7.4.3430. This affects the function CheckComment of the file zb_system/function/c_system_event.php of the component Commend Approval Handler. This manipulation causes improper authorization. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks.

PUBLISHED Reserved 2026-05-16 | Published 2026-05-17 | Updated 2026-05-17 | Assigner VulDB

MEDIUM: 5.3CVSS: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:P

MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Improper Authorization

Incorrect Privilege Assignment

Timeline

2026-05-16:	Advisory disclosed
2026-05-16:	VulDB entry created
2026-05-16:	VulDB entry last update

Credits

vulnplusbot (VulDB User) reporter

References

vuldb.com/vuln/364334 (VDB-364334 | Z-BlogPHP Commend Approval c_system_event.php CheckComment improper authorization) vdb-entry technical-description

vuldb.com/vuln/364334/cti (VDB-364334 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/810027 (Submit #810027 | ZBlog v1.7.4.3430 authorization flaw) third-party-advisory

vulnplus-note.wetolink.com/share/31wtzNoJbxKQ exploit

cve.org (CVE-2026-8747)

nvd.nist.gov (CVE-2026-8747)

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