CVE-2018-20147
In WordPress before 4.9.9 and 5.x before 5.0.1, authors could modify metadata to bypass intended...
In WordPress before 4.9.9 and 5.x before 5.0.1, authors could modify metadata to bypass intended restrictions on deleting files.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In WordPress before 4.9.9 and 5.x before 5.0.1, authors could modify metadata to bypass intended restrictions on deleting files.
- Record
CVE-2018-20147- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.5 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:P - Weakness
- CWE-863
- Updated
- 2026-11-02
CVE List No score
In WordPress before 4.9.9 and 5.x before 5.0.1, authors could modify metadata to bypass intended restrictions on deleting files.
- Record
CVE-2018-20147- Updated
- 2026-11-02
EUVDEUVD-2018-12716 No score
In WordPress before 4.9.9 and 5.x before 5.0.1, authors could modify metadata to bypass intended restrictions on deleting files.
- Record
EUVD-2018-12716- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-ww63-9p7h-rc9v
In WordPress before 4.9.9 and 5.x before 5.0.1, authors could modify metadata to bypass intended...
In WordPress before 4.9.9 and 5.x before 5.0.1, authors could modify metadata to bypass intended restrictions on deleting files.
- Record
GHSA-ww63-9p7h-rc9v- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
OSV
In WordPress before 4.9.9 and 5.x before 5.0.1, authors could modify metadata to bypass intended restrictions on deleting files.
- Record
CVE-2018-20147- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-20147
In WordPress before 4.9.9 and 5.x before 5.0.1, authors could modify metadata to bypass intended restrictions on deleting files.
- Record
DEBIAN-CVE-2018-20147- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-20147
In WordPress before 4.9.9 and 5.x before 5.0.1, authors could modify metadata to bypass intended restrictions on deleting files.
- Record
UBUNTU-CVE-2018-20147- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
wordpressDebian:12 |
before 5.0.1+dfsg1-1 | 5.0.1+dfsg1-1 |
wordpressDebian:13 |
before 5.0.1+dfsg1-1 | 5.0.1+dfsg1-1 |
wordpressDebian:14 |
before 5.0.1+dfsg1-1 | 5.0.1+dfsg1-1 |
wordpressDebian:8 |
before 4.1.25+dfsg-1+deb8u1, plus listed versions 4.1+dfsg-14.1+dfsg-1+deb8u14.1+dfsg-1+deb8u104.1+dfsg-1+deb8u114.1+dfsg-1+deb8u12 Show 15 moreShow less4.1+dfsg-1+deb8u134.1+dfsg-1+deb8u144.1+dfsg-1+deb8u154.1+dfsg-1+deb8u164.1+dfsg-1+deb8u174.1+dfsg-1+deb8u184.1+dfsg-1+deb8u24.1+dfsg-1+deb8u34.1+dfsg-1+deb8u44.1+dfsg-1+deb8u54.1+dfsg-1+deb8u64.1+dfsg-1+deb8u74.1+dfsg-1+deb8u84.1+dfsg-1+deb8u94.1.1+dfsg-1 |
4.1.25+dfsg-1+deb8u1 |
wordpressDebian:9 |
before 4.7.5+dfsg-2+deb9u5, plus listed versions 4.7.5+dfsg-24.7.5+dfsg-2+deb9u14.7.5+dfsg-2+deb9u1~bpo8+14.7.5+dfsg-2+deb9u24.7.5+dfsg-2+deb9u2~bpo8+14.7.5+dfsg-2+deb9u34.7.5+dfsg-2+deb9u4 |
4.7.5+dfsg-2+deb9u5 |
wordpressUbuntu:16.04:LTS |
All versions, plus listed versions 4.3+dfsg-14.3.1+dfsg-14.4+dfsg-14.4.1+dfsg-14.4.2+dfsg-14.4.2+dfsg-1ubuntu1 |
None known |
wordpressUbuntu:18.04:LTS |
All versions, plus listed versions 4.8.2+dfsg-24.8.3+dfsg-14.9.1+dfsg-14.9.2+dfsg-14.9.4+dfsg-14.9.5+dfsg1-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-20147 is a medium vulnerability (CVSS 6.5) in Wordpress, published December 14, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.11%, the 87th percentile. Fixed in wordpress 5.0.1+dfsg1-1.
References
wpvulndb.com/vulnerabilities/9169
securityfocus.com/bid/106220
wordpress.org/support/wordpress-version/version-5-0-1
codex.wordpress.org/Version_4.9.9
debian.org/security/2019/dsa-4401
Show 7 moreShow less
lists.debian.org/debian-lts-announce/2019/02/msg00019.html
zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords
nvd.nist.gov/vuln/detail/CVE-2018-20147
github.com/advisories/GHSA-ww63-9p7h-rc9v
security-tracker.debian.org/tracker/CVE-2018-20147
ubuntu.com/security/CVE-2018-20147
cve.org/CVERecord?id=CVE-2018-20147