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TI-2026-70780 Aliases CVE-2026-108902GHSA-cmhg-xxg9-x9x9

Path traversal in pH7Builder lets members delete arbitrary files

Priority LOW 32CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

pH7Builder (pH7 Social Dating CMS) before 18.5.0 contains a path traversal flaw (CWE-22) in the picture module deletePhoto() action. An authenticated member can supply ../ sequences in the picture_link parameter to delete arbitrary files, including other members' photos and configuration and cache files, causing content loss and denial of service.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00375 31st percentileScored 2026-11-07
Fix Fixed ph7builder (ph7software): 18.5.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ph7softwareph7builderbefore 18.5.018.5.0Patch availableCNA
  • ph7builder Vendorph7software Affected before 18.5.0 Fixed in 18.5.0 Patch available CNA

Remediation

Upgrade pH7Builder to version 18.5.0, which fixes this flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA ph7builder (ph7software) Fixed in 18.5.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    ph7software ph7builder 18.5.0

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-70782 Member API in pH7Builder exposes password hashes and TOTP secretsPriority LOW 31
    Show all 2 records →

Timeline

  1. 2026-10-11 Threatist record created from CVE-2026-108902
  2. 2026-10-11 Alias added: GHSA-cmhg-xxg9-x9x9
  3. 2026-10-12 Priority changed: MEDIUM → LOW
  4. 2026-10-15 CISA SSVC decision points changed

References

Patch 1

Other 2

  • TI-2026-70783 Hard-coded API key in pH7Builder lets attackers bypass API access checks CVSS 4.0HIGH 8.7
  • TI-2026-70781 CAPTCHA bypass in pH7Builder via client-chosen form ID CVSS 4.0MEDIUM 6.9
  • TI-2026-69588 Missing rate limit on 2FA codes in pH7Builder lets attackers take over accounts CVSS 4.0HIGH 7.6
  • TI-2026-70782 Member API in pH7Builder exposes password hashes and TOTP secrets CVSS 4.0HIGH 7.1
  • TI-2026-69586 Payment bypass in pH7Builder lets members obtain higher membership tiers CVSS 4.0HIGH 7.1
  • TI-2026-69587 pH7Builder note module flaw lets members delete others' notes CVSS 4.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences