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Description

A security flaw has been discovered in Yifang CMS up to 2.0.5. The impacted element is the function store of the file plugins/yifang_backend_account/logic/admin/L_rbac_admin.php of the component Extended Management Module. The manipulation of the argument Account results in cross site scripting. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

PUBLISHED Reserved 2026-04-19 | Published 2026-04-20 | Updated 2026-04-20 | Assigner VulDB




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
LOW: 3.5CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
LOW: 3.5CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
4.0AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

Problem types

Cross Site Scripting

Code Injection

Product status

2.0.0
affected

2.0.1
affected

2.0.2
affected

2.0.3
affected

2.0.4
affected

2.0.5
affected

Timeline

2026-04-19:Advisory disclosed
2026-04-19:VulDB entry created
2026-04-19:VulDB entry last update

Credits

shiyifei (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/358267 (VDB-358267 | Yifang CMS Extended Management L_rbac_admin.php store cross site scripting) vdb-entry technical-description

vuldb.com/vuln/358267/cti (VDB-358267 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/793352 (Submit #793352 | yifang yifangcms 2.0.5 Cross Site Scripting) third-party-advisory

github.com/shiyifei999-ux/cve/issues/1 exploit issue-tracking

cve.org (CVE-2026-6633)

nvd.nist.gov (CVE-2026-6633)

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