Vulnerability · Published Oct 31, 2020 · Assigned by mitre
CVE-2020-28033
High 7.5
In plain English
A high-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 2.6% (higher than 85% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)2.6%top 14.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
WordPress before 5.5.2 mishandles embeds from disabled sites on a multisite network, as demonstrated by allowing a spam embed.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | wordpress | 5.5.3+dfsg1-1 | DEBIAN-CVE-2020-28033 |
| Debian:13 | wordpress | 5.5.3+dfsg1-1 | DEBIAN-CVE-2020-28033 |
| Debian:14 | wordpress | 5.5.3+dfsg1-1 | DEBIAN-CVE-2020-28033 |
| Ubuntu:22.04:LTS | wordpress | no fix listed | UBUNTU-CVE-2020-28033 |
| Ubuntu:24.04:LTS | wordpress | no fix listed | UBUNTU-CVE-2020-28033 |
| Ubuntu:25.10 | wordpress | no fix listed | UBUNTU-CVE-2020-28033 |
| Ubuntu:26.04:LTS | wordpress | no fix listed | UBUNTU-CVE-2020-28033 |
| Ubuntu:26.10 | wordpress | no fix listed | UBUNTU-CVE-2020-28033 |
Affected products (as reported)
References
- https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/ 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