CVE-2023-0926
CVE-2023-0926 is a medium-severity vulnerability in Samiahmedsiddiqui Custom Permalinks with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 4.4)
- EPSS exploit prediction: 0% (22nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-12913
- Weakness: CWE-79
- Affected product: Samiahmedsiddiqui Custom Permalinks
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2023-0926?
- 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.
- How severe is CVE-2023-0926?
- CVE-2023-0926 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2023-0926 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-0926?
- CVE-2023-0926 affects Samiahmedsiddiqui Custom Permalinks. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-0926?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2023-0926 have an EU (EUVD) identifier?
- Yes. CVE-2023-0926 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-12913.
- When was CVE-2023-0926 published?
- CVE-2023-0926 was published on 2024-08-24 and last updated on 2026-06-17.
References
- https://github.com/samiahmedsiddiqui/custom-permalinks/pull/96
- https://plugins.trac.wordpress.org/changeset/3138206/custom-permalinks/trunk/admin/class-custom-permalinks-post-types-table.php
- https://plugins.trac.wordpress.org/changeset/3138206/custom-permalinks/trunk/admin/class-custom-permalinks-taxonomies-table.php
- https://wordpress.org/plugins/custom-permalinks/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/97f8549a-292d-4a6d-8ec0-550467e5cf0f?source=cve
Affected products (1)
- cpe:2.3:a:samiahmedsiddiqui:custom_permalinks:*:*:*:*:*:wordpress:*:*
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