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Description

A vulnerability was identified in vichan-devel vichan up to 5.1.5. This vulnerability affects unknown code of the file inc/mod/pages.php of the component Password Change Handler. The manipulation of the argument Password leads to unverified password change. The attack can be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

PUBLISHED Reserved 2026-02-15 | Published 2026-02-16 | Updated 2026-02-23 | Assigner VulDB




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X
LOW: 2.7CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R
LOW: 2.7CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R
3.3AV:N/AC:L/Au:M/C:N/I:P/A:N/E:ND/RL:ND/RC:UR

Problem types

Unverified Password Change

Weak Password Recovery

Product status

5.1.0
affected

5.1.1
affected

5.1.2
affected

5.1.3
affected

5.1.4
affected

5.1.5
affected

Timeline

2026-02-15:Advisory disclosed
2026-02-15:VulDB entry created
2026-02-20:VulDB entry last update

Credits

lakshay12311 (VulDB User) reporter

References

vuldb.com/?id.346152 (VDB-346152 | vichan-devel vichan Password Change pages.php unverified password change) vdb-entry technical-description

vuldb.com/?ctiid.346152 (VDB-346152 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.749716 (Submit #749716 | Vichan Devel Vichan 5.1.5 Unverified Password Change) third-party-advisory

github.com/lakshayyverma/CVE-Discovery/blob/main/vichan.md related

cve.org (CVE-2026-2543)

nvd.nist.gov (CVE-2026-2543)

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