Vulnerability · Published Oct 31, 2020 · Assigned by mitre
CVE-2020-28040
Medium 4.3
In plain English
A medium-severity security flaw in the wordpress package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)1.1%top 34.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
WordPress before 5.5.2 allows CSRF attacks that change a theme's background image.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | wordpress | 5.5.3+dfsg1-1 | DEBIAN-CVE-2020-28040 |
| Debian:13 | wordpress | 5.5.3+dfsg1-1 | DEBIAN-CVE-2020-28040 |
| Debian:14 | wordpress | 5.5.3+dfsg1-1 | DEBIAN-CVE-2020-28040 |
| Ubuntu:22.04:LTS | wordpress | no fix listed | UBUNTU-CVE-2020-28040 |
| Ubuntu:24.04:LTS | wordpress | no fix listed | UBUNTU-CVE-2020-28040 |
| Ubuntu:25.10 | wordpress | no fix listed | UBUNTU-CVE-2020-28040 |
| Ubuntu:26.04:LTS | wordpress | no fix listed | UBUNTU-CVE-2020-28040 |
| Ubuntu:26.10 | wordpress | no fix listed | UBUNTU-CVE-2020-28040 |
Affected products (as reported)
References
- https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/ x_refsource_MISC
- https://blog.wpscan.com/2020/10/30/wordpress-5.5.2-security-release.html x_refsource_MISC
- [debian-lts-announce] 20201103 [SECURITY] [DLA 2429-1] wordpress security update mailing-list, x_refsource_MLIST
- DSA-4784 vendor-advisory, x_refsource_DEBIAN
- FEDORA-2020-15e15c35da vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-a764b11b52 vendor-advisory, x_refsource_FEDORA
- FEDORA-2020-b386fac43a vendor-advisory, x_refsource_FEDORA