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Vulnerability record · CVE-2023-2288 · published 30 May 2023

CVE-2023-2288: Themeisle otter deserialization of untrusted data vulnerability

Themeisle · Otter

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.

8.8 CVSS 3.1 High EPSS 18% · top 2.9% CWE-502 · Deserialization of untrusted data
8.8CVSS 3.1 base score
18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://wpscan.com/vulnerability/93acb4ee-1053-48e1-8b69-c09dc3b2f302 Exploit
https://wpscan.com/vulnerability/93acb4ee-1053-48e1-8b69-c09dc3b2f302 Exploit

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Source: NIST National Vulnerability Database (record CVE-2023-2288), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.