In WordPress before 4.9.9 and 5.x before 5.0.1, contributors could modify new comments…
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
In WordPress before 4.9.9 and 5.x before 5.0.1, contributors could modify new comments made by users with greater privileges, possibly causing XSS.
Why it matters now
EPSS 0.02046 81st 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.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-20153
- 2026-10-03 Alias added: GHSA-w8h5-qp6m-vfm9
References
Advisory 7
- https://wordpress.org/support/wordpress-version/version-5-0-1/
- https://codex.wordpress.org/Version_4.9.9
- https://wpvulndb.com/vulnerabilities/9172
- DSA-4401
- https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/
- [debian-lts-announce] 20190211 [SECURITY] [DLA 1673-1] wordpress security update
- https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/
Sources
- CVE-2018-20153 · CVE Program
- CVE-2018-20153 · NVD
- FIRST EPSS
- GHSA-w8h5-qp6m-vfm9 · GitHub Advisory Database · CC BY 4.0
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