Deserialization in Themeisle Otter
CVE-2023-2288
The Otter WordPress plugin before 2.2.6 does not sanitize some user-controlled file paths before performing file operations on them. This leads to a PHAR deserialization vulnerability on PHP < 8.0 using the phar:// stream wrapper.
Vulnerability class: Insecure Deserialization
EPSS: 0.180 (96.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Themeisle Otter
- Unknown Otter — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- contact@wpscan.com (Exploit, technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2023-2288?
- CVE-2023-2288 is a high-severity vulnerability in Themeisle Otter, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2023-05-30.
- How severe is CVE-2023-2288?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2023-2288 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.