WordPress 4.6.26

WordPress 4.6.26 has 13 disclosed vulnerabilities in the WordSec catalog, reported between 2012 and 2025; all 13 are fixed as of August 2026. Their average CVSS score is 6.0, and the most serious one scores 8.8 out of 10. Severity breakdown: 0 critical and 3 high. 2018 was the busiest year with 3 disclosures.

The most common weakness is Exposure Of Sensitive Information To An Unauthorized Actor, behind 2 of the records (15%). Other recurring categories include Cross-Site Scripting, Deserialization Of Untrusted Data.

Every one of the 13 issues recorded for WordPress 4.6.26 has a vendor fix available, so running the current release closes all known holes.

11 independent researchers contributed these findings, one record each.

Strategic Overview

Avg CVSSMedium

6.0/ 10

Patch Coverage100%

Open

Fixed

Get automatic notifications for all WordPress 4.6.26 vulnerabilities before they are exploited.

Highest severity on recordCVSS 8.8CVE-2017-1000600

WordPress Core < 4.9 - Insecure Deserialization

Read the full analysis

Vulnerability Records

13 records


2025-09-22 00:00	WordPress <= 6.8.2 - Authenticated (Author+) Stored Cross-Site Scripting WordPress 4.6.26 4.7 – 6.8.2 · 23 branches	`CVE-2025-58674`	6.4 Medium	SavPhill (Savphill)	Yes
2024-06-24 00:00	WordPress Core < 6.5.5 - Authenticated (Contributor+) Directory Traversal WordPress 4.6.26 4.1 – 6.5.4 · 26 branches	`CVE-2024-32111`	4.3 Medium	apple502j	Yes
2024-04-04 00:00	WordPress Core <= 6.4.3 - Sensitive Information Exposure via redirect_guess_404_permalink WordPress 4.6.26 <= 6.4.3	`CVE-2023-5692`	5.3 Medium	Francesco Carlucci	Yes
2023-10-12 00:00	WordPress Core <= 6.3.1 - Authenticated(Contributor+) Sensitive Information Exposure via Comments on Protected Posts WordPress 4.6.26 4.1.38 – 6.3.1 · 23 branches	`CVE-2023-39999`	4.3 Medium	Rafie Muhammad	Yes
2023-10-12 00:00	WordPress Core < 6.3.2 – Authenticated (Subscriber+) Arbitrary Shortcode Execution via parse-media-shortcode WordPress 4.6.26 4.1.38 – 6.3.1 · 23 branches	`N/A`	5.4 Medium	James Golovich	Yes
2021-11-25 00:00	WordPress Core < 5.8 - Dependency Confusion WordPress 4.6.26 <= 5.7.5	`CVE-2021-44223`	8.1 High	Kamil Vavra	Yes
2021-11-10 00:00	WordPress Core < 5.8.2 - ca-bundle.crt contains expired certificate DST Root CA X3 WordPress 4.6.26 5.2 – 5.8.1 · 8 branches	`N/A`	5.3 Medium	Anonymous	Yes
2019-02-19 00:00	WordPress Core <= 5.0.3 - Path Traversal and Local File Inclusion WordPress 4.6.26 <= 5.0.2	`CVE-2019-8943`	6.5 Medium	Wilfried Becard	Yes
2018-08-16 00:00	WordPress Core < 4.9 - Insecure Deserialization WordPress 4.6.26 < 4.9	`CVE-2017-1000600`	8.8 High	Sam Thomas	Yes
2018-08-04 00:00	WordPress Core < 6.4.3 - Authenticated(Administrator+) PHP File Upload WordPress 4.6.26 4.1 – 6.4.2 · 25 branches	`CVE-2018-14028`	6.6 Medium	Vinicius Marangoni	Yes

Showing 1–10 of 13 reports