WordPress before 5.2.4 is vulnerable to poisoning of the cache of JSON GET requests…
Priority LOW 39Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
WordPress before 5.2.4 is vulnerable to poisoning of the cache of JSON GET requests because certain requests lack a Vary: Origin header.
Why it matters now
EPSS 0.03531 89th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2019-17673
- 2026-10-03 Alias added: GHSA-93gm-xcwj-q3j2
References
Patch 2
Advisory 6
Sources
- CVE-2019-17673 · CVE Program
- CVE-2019-17673 · NVD
- FIRST EPSS
- GHSA-93gm-xcwj-q3j2 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-17673 · Red Hat security data · CC BY 4.0
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