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CVE-2026-81779— WordPress Newspapers X theme 1.0.46-1.0.48 - Backdoor vulnerability

Quick assessment

Affected
Silk Themes Newspapers X
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Silk Themes Newspapers X是Silk Themes公司的一款数字出版软件。 Silk Themes Newspapers X 1.0.46版本至1.0.48版本存在输入验证错误漏洞，该漏洞源于对输入中指定数量的验证不当，可能导致植入恶意软件。

CVSS 10.0 · Critical EPSS 0.52% · P44

Affected Version Matrix 1

VendorProduct Version RangeStatus
Silk Themes Newspapers X 1.0.46≤ 1.0.48 affected
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I. Basic Information for CVE-2026-81779

Vulnerability Information
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Vulnerability Title
WordPress Newspapers X theme 1.0.46-1.0.48 - Backdoor vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Validation of Specified Quantity in Input vulnerability in Silk Themes Newspapers X allows Malicious Software Implanted. This issue affects Newspapers X: from 1.0.46 through 1.0.48.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1284
Source: CVE Program / CVE List V5
Vulnerability Title
Silk Themes Newspapers X 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Silk Themes Newspapers X是Silk Themes公司的一款数字出版软件。 Silk Themes Newspapers X 1.0.46版本至1.0.48版本存在输入验证错误漏洞，该漏洞源于对输入中指定数量的验证不当，可能导致植入恶意软件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Silk Themes Newspapers X 1.0.46 ~ 1.0.48 -

II. Public POCs for CVE-2026-81779

# POC Description Source Link Shenlong Link
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default-qwen3.6 · 7975 chars
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Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-81779

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Vendor Advisories for CVE-2026-81779 (1)

IV. Related Vulnerabilities

Same weakness: CWE-1284

V. Comments for CVE-2026-81779

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