4.3Medium

CVE-2026-28555wpForo Forum 2.4.14 Missing Authorization via Topic Close AJAX Handler

gVectors Team wpForo Forum Published: 2026-03-01 00:47 (8 months ago)

Description

wpForo Forum 2.4.14 contains a missing authorization vulnerability that allows authenticated subscribers to close or reopen any forum topic via the wpforo_close_ajax handler. Attackers submit a valid nonce with an arbitrary topic ID to bypass the moderator permission requirement and disrupt forum discussions.

Weakness (CWE): CWE-862

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
gvectors	wpforo forum	2.4 – < 2.4.16
gVectors Team	wpForo Forum	2.4 – < 2.4.16, fixed 2.4.16

References and patches

wpForo Forum WordPress Plugin productProduct
wpForo Forum Contributors & Developers patchRelease Notes
VulnCheck Advisory: wpForo Forum 2.4.14 Missing Authorization via Topic Close AJAX Handler third-party-advisoryThird Party Advisory

CPE matches (NVD) (1)

cpe:2.3:a:gvectors:wpforo_forum:*:*:*:*:*:wordpress:*:* ≥ 2.4.0 < 2.4.16

CVSS score

4.3Medium

Source: VulnCheck · CVSS 3.1

Attack vector: Network
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: Low
Availability: None

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

All scores (4)

cna	CVSS 4.0	5.3Medium
cna	CVSS 3.1	4.3Medium
disclosure@vulncheck.com	CVSS 4.0	5.3Medium
disclosure@vulncheck.com	CVSS 3.1	4.3Medium

EPSS (chance of exploitation in 30 days)

0.30%

higher than 24% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: partial

Timeline

ID reserved2026-02-28
Published2026-03-01 00:47
Reached IP-DB2026-10-24 23:48
Last updated2026-06-17 13:28

Assigned by (CNA): VulnCheck
NVD status: Analyzed

View at source: CVE.org · NVD

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