CVE-2023-2288 in the critical feed json
Otter - Gutenberg Blocks < 2.2.6 - Author+ PHAR Deserialization
published 2023-05-30 3 y ago modified 2026-10-24 15 d ago also EUVD-2023-33794
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 18.0%
- EPSS 18.0% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Unknown Otter 2.2.6
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 21 mo ago
Exploit prediction
17.97% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/93acb4ee-1053-48e1-8b69-c09dc3b2f302 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Unknown Otter
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
- Technology feeds
References
-
wpscan.com
/vulnerability/93acb4ee-1053-48e1-8b69-c09dc3b2f302
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2023-2288
- NVD CVE-2023-2288
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.