WP Data Access plugin lets unauthenticated users modify data
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.
Summary
The WP Data Access WordPress plugin before 5.5.77 does not correctly check authorization on one of its application REST endpoints (CWE-863). The endpoint verifies only read permission before performing a write. An unauthenticated remote attacker can modify data in an application exposed for anonymous read access, even when the administrator has disabled update actions. The references include a link to an exploit.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
The WP Data Access WordPress plugin before 5.5.77 does not correctly check authorization on one of its application REST endpoints, verifying only read permission before performing a write, which allows unauthenticated attackers to modify data in an application exposed for anonymous read access even when update actions have been disabled by the administrator.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | WP Data Access | before 5.5.77 | 5.5.77 | Patch available | CNA |
- WP Data Access VendorUnknown Affected before 5.5.77 Fixed in 5.5.77 Patch available CNA
Remediation
Update WP Data Access to version 5.5.77, the fixed version.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
- Fix · CNA WP Data Access (Unknown) Fixed in 5.5.77
Timeline
- 2026-10-14 Threatist record created from CVE-2026-106098
- 2026-10-14 Alias added: GHSA-v8fc-v39p-fp8c
- 2026-10-14 CVSS score added · CISA ADP
- 2026-10-14 Weakness changed · CISA ADP
- 2026-10-14 CISA SSVC decision points changed
References
Sources
- CVE-2026-106098 · CVE Program
- CVE-2026-106098 · NVD
- FIRST EPSS
- GHSA-v8fc-v39p-fp8c · GitHub Advisory Database · CC BY 4.0
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