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CVE-2026-108902— pH7Builder before 18.5.0 Path Traversal Arbitrary File Deletion via picture_link

Quick assessment

Affected
ph7software ph7builder
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

pH7Builder（pH7 Social Dating CMS）在版本 18.5.0 之前，其图片模块中的 deletePhoto() 动作存在路径遍历漏洞。已认证的成员可以利用此漏洞删除任意文件。攻击者可以在 POST 请求的 picture_link 参数中注入 ../ 序列，从而删除其他成员的照片，或配置文件和缓存文件，导致数据丢失和服务中断（拒绝服务）。

CVSS 8.1 · High EPSS 0.38% · P29

Affected Version Matrix 2

VendorProduct Version RangeStatus
ph7software ph7builder < 18.5.0 affected
18.5.0 unaffected
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I. Basic Information for CVE-2026-108902

Vulnerability Information
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Vulnerability Title
pH7Builder before 18.5.0 Path Traversal Arbitrary File Deletion via picture_link
Source: CVE Program / CVE List V5
Vulnerability Description
pH7Builder (pH7 Social Dating CMS) before 18.5.0 contains a path traversal vulnerability in the picture module deletePhoto() action that allows authenticated members to delete arbitrary files. Attackers can supply ../ sequences in the POST picture_link parameter to remove other members' photos or configuration and cache files, causing content loss and denial of service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ph7software ph7builder 0 ~ 18.5.0 -

II. Public POCs for CVE-2026-108902

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III. Intelligence Information for CVE-2026-108902

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Patches & Fixes for CVE-2026-108902 (2)

Vendor Advisories for CVE-2026-108902 (1)

Other References for CVE-2026-108902 (1)

Same Patch Batch · ph7software · 2026-10-11 · 4 CVEs total

CVE-2026-108905 7.5 HIGH pH7Builder before 18.6.0 Hard-Coded API Key Bypass via Host Header
CVE-2026-108904 6.5 MEDIUM pH7Builder before 18.5.0 Sensitive Data Exposure via Member API UserController
CVE-2026-108903 5.3 MEDIUM pH7Builder before 19.3.0 CAPTCHA Bypass via Client-Chosen Form ID

IV. Related Vulnerabilities

Same product: ph7builder
Same vendor: ph7software
Same weakness: CWE-22

V. Comments for CVE-2026-108902

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