CVE-2026-28554 PUBLISHED

wpForo Forum 2.4.14 Missing Authorization via Post Approval AJAX Handler

Assigner: VulnCheck
Reserved: 28.02.2026 Published: 28.02.2026 Updated: 28.02.2026

wpForo Forum 2.4.14 contains a missing authorization vulnerability that allows authenticated subscribers to approve or unapprove any forum post via the wpforo_approve_ajax AJAX handler. Attackers exploit the nonce-only check by submitting a valid nonce with an arbitrary post ID to bypass moderation controls entirely.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 4.3

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

CVSS 3.1

Product Status

Vendor	gVectors Team
Product	wpForo Forum
Versions	Default: unaffected affected from 2.4 to 2.4.16 (excl.) Version 2.4.16 is unaffected

CVE-2026-28554 PUBLISHED

wpForo Forum 2.4.14 Missing Authorization via Post Approval AJAX Handler

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Product Status

Credits

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Problem Types