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TI-2023-02146 Aliases CVE-2023-2288GHSA-7484-6482-4gq2

Otter - Gutenberg Blocks < 2.2.6 - Author+ PHAR Deserialization

Priority HIGH 73CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-502.

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.17973 97th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Otter (Unknown): 2.2.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownOtterbefore 2.2.62.2.6Patch availableCNA
  • Otter VendorUnknown Affected before 2.2.6 Fixed in 2.2.6 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:themeisle:otter:*:*:*:*:*:wordpress:*:*before 2.2.6Vulnerablethemeisle
  • cpe:2.3:a:themeisle:otter:*:*:*:*:*:wordpress:*:* Versions before 2.2.6 Vulnerable ·themeisle

Remediation

  • Fix · CNA Otter (Unknown) Fixed in 2.2.6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-2288
  2. 2026-10-03 Alias added: GHSA-7484-6482-4gq2

References

Sources