CVE-2023-2288

HIGHNVD 8.88.8—Elevated

8.8

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 v3: 8.8
EG Score: 8.8(medium)
EPSS: 92.6%
KEV: Not listed

Published

May 30, 2023

Last Modified

January 10, 2025

References (2)

contact@wpscanhttps://wpscan.com/vulnerability/93acb4ee-1053-48e1-8b69-c09dc3b2f302
af854a3a-2127-422b-91ae-364da2661108https://wpscan.com/vulnerability/93acb4ee-1053-48e1-8b69-c09dc3b2f302

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-502Deserialization of Untrusted Data

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:11 UTCepss_batch
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2026-06-02 20:12 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
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2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch

Frequently asked(5)

What is CVE-2023-2288?

CVE-2023-2288 is a high vulnerability published on May 30, 2023. 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.

When was CVE-2023-2288 disclosed?

CVE-2023-2288 was first published in the National Vulnerability Database on May 30, 2023, with the most recent update on January 10, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-2288 actively exploited?

CVE-2023-2288 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 92.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-2288?

CVE-2023-2288 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2023-2288?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-2288, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-2288

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-2288?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)