Vulnerability · Published Oct 31, 2020 · Assigned by mitre
CVE-2020-28032
Critical 9.8
In plain English
A critical-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 15.7% (higher than 97% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)15.7%top 3.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official description
WordPress before 5.5.2 mishandles deserialization requests in wp-includes/Requests/Utility/FilteredIterator.php.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | wordpress | 5.5.3+dfsg1-1 | DEBIAN-CVE-2020-28032 |
| Debian:13 | wordpress | 5.5.3+dfsg1-1 | DEBIAN-CVE-2020-28032 |
| Debian:14 | wordpress | 5.5.3+dfsg1-1 | DEBIAN-CVE-2020-28032 |
| Ubuntu:22.04:LTS | wordpress | no fix listed | UBUNTU-CVE-2020-28032 |
| Ubuntu:24.04:LTS | wordpress | no fix listed | UBUNTU-CVE-2020-28032 |
| Ubuntu:25.10 | wordpress | no fix listed | UBUNTU-CVE-2020-28032 |
| Ubuntu:26.04:LTS | wordpress | no fix listed | UBUNTU-CVE-2020-28032 |
| Ubuntu:26.10 | wordpress | no fix listed | UBUNTU-CVE-2020-28032 |
Affected products (as reported)
References
- https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/ x_refsource_MISC
- https://github.com/WordPress/wordpress-develop/commit/add6bedf3a53b647d0ebda2970057912d3cd79d3 x_refsource_MISC
- https://wpscan.com/vulnerability/10446 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