5.5Orta

CVE-2026-28560wpForo Forum 2.4.14 Stored XSS via Unsafe JSON Encoding in Inline Script

gVectors Team wpForo Forum Yayım: 2026-03-01 00:47 (8 ay önce)

Açıklama

wpForo Forum 2.4.14 contains a stored cross-site scripting vulnerability that allows script injection via forum URL data output into an inline script block using json_encode without the JSON_HEX_TAG flag. Attackers set a forum slug containing a closing script tag or unescaped single quote to break out of the JavaScript string context and execute arbitrary script in all visitors' browsers.

Zayıflık türü (CWE): CWE-79

Veri: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Bilgiler kaynaktaki haliyle, İngilizce yayımlanır.

Etkilenen ürünler ve sürümler

Üretici	Ürün	Sürümler
gvectors	wpforo forum	2.4 – < 2.4.16
gVectors Team	wpForo Forum	2.4 – < 2.4.16, fixed 2.4.16

Kaynaklar ve yamalar

wpForo Forum WordPress Plugin productProduct
wpForo Forum Contributors & Developers patchRelease Notes
VulnCheck Advisory: wpForo Forum 2.4.14 Stored XSS via Unsafe JSON Encoding in Inline Script third-party-advisoryThird Party Advisory

CPE eşleşmeleri (NVD) (1)

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

CVSS puanı

5.5Orta

Kaynak: VulnCheck · CVSS 3.1

Saldırı yolu: Ağ
Karmaşıklık: Düşük
Gereken yetki: Yüksek
Kullanıcı etkileşimi: Gerekmez
Kapsam: Değişir
Gizlilik: Düşük
Bütünlük: Düşük
Erişilebilirlik: Yok

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

Tüm puanlar (5)

cna	CVSS 4.0	4.8Orta
cna	CVSS 3.1	5.5Orta
disclosure@vulncheck.com	CVSS 4.0	4.8Orta
disclosure@vulncheck.com	CVSS 3.1	5.5Orta
nvd	CVSS 3.1	4.8Orta

EPSS (30 günde istismar olasılığı)

0.27%

tüm CVE'lerin %19'inden yüksek

CISA değerlendirmesi (SSVC)

İstismar: none
Otomatikleştirilebilir: no
Teknik etki: partial

Zaman çizelgesi

Numara ayrıldı2026-02-28
Yayımlandı2026-03-01 00:47
IP-DB'ye ulaştı2026-10-24 23:48
Son güncelleme2026-06-17 13:28

Numarayı veren (CNA): VulnCheck
NVD durumu: Analyzed

Kaynakta görüntüle: CVE.org · NVD

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