WordPress 4.7.26
WordPress 4.7.26 has 16 disclosed vulnerabilities in the WordSec catalog, reported between 2012 and 2025; all 16 are fixed as of August 2026. Their average CVSS score is 5.8, and the most serious one scores 8.8 out of 10. Severity breakdown: 0 critical and 3 high. 2023 was the busiest year with 4 disclosures.
The most common weakness is Exposure Of Sensitive Information To An Unauthorized Actor, behind 3 of the records (19%). Other recurring categories include Cross-Site Scripting, Deserialization Of Untrusted Data.
Every one of the 16 issues recorded for WordPress 4.7.26 has a vendor fix available, so running the current release closes all known holes.
14 independent researchers contributed these findings, one record each.
CVE-2017-1000600WordPress Core < 4.9 - Insecure Deserialization
Read the full analysisVulnerability Records
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