The Custom Permalinks plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.6.0 due to insufficient input sanitization and output escaping on tag names. This allows authenticated users, with editor-level permissions or greater to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page, even when 'unfiltered_html' has been disabled.
CVE-2023-0926
Score 4.4 from GitHub Security Advisory published 2024-08-24. NVD baseline CVSS 4.4; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.4
- EG Score
- 4.4(medium)
- EG Risk
- 36(Track)EG Risk 36/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity44% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 25%
- KEV
- Not listed
Published
August 24, 2024
Last Modified
September 27, 2024
References (5)
- security@wordfencehttps://github.com/samiahmedsiddiqui/custom-permalinks/pull/96
- security@wordfencehttps://plugins.trac.wordpress.org/changeset/3138206/custom-permalinks/trunk/admin/class-custom-permalinks-post-types-table.php
- security@wordfencehttps://plugins.trac.wordpress.org/changeset/3138206/custom-permalinks/trunk/admin/class-custom-permalinks-taxonomies-table.php
- security@wordfencehttps://wordpress.org/plugins/custom-permalinks/
- security@wordfencehttps://www.wordfence.com/threat-intel/vulnerabilities/id/97f8549a-292d-4a6d-8ec0-550467e5cf0f?source=cve
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 7× in last 7d / 46× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 123 total refreshes for this CVE.
- 2026-08-07 16:24 UTCEPSS rescore
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Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2023-0926?
When was CVE-2023-0926 disclosed?
Is CVE-2023-0926 actively exploited?
What is the CVSS score of CVE-2023-0926?
How do I remediate CVE-2023-0926?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2023-0926
Is Your Infrastructure Affected by CVE-2023-0926?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.