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Vulnerability record · CVE-2026-14482 · published 8 July 2026

CVE-2026-14482: Improper privilege management vulnerability

The 多说社会化评论框 plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.2. The vulnerability exists due to a missing capability and nonce check on a directly web-accessible API endpoint, combined with a trivially forgeable HMAC-SHA1 signature keyed on an always-empty WordPress option, which allows the endpoint's `update_option` handler to pass attacker-controlled `option` and `value` parameters directly to WordPress's `update_option` function without any allowlist or sanitization. This makes it possible for unauthenticated attackers to update arbitrary WordPress options — such as setting `default_role` to `administrator` and enabling open registration — and subsequently register an account with full administrator privileges.

8.8 CVSS 3.1 High EPSS 0.59% · top 54.1% CWE-269 · Improper privilege management Deferred
8.8CVSS 3.1 base score
0.59%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
8 Jul 2026Last modified by NVD

Description

The 多说社会化评论框 plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.2. The vulnerability exists due to a missing capability and nonce check on a directly web-accessible API endpoint, combined with a trivially forgeable HMAC-SHA1 signature keyed on an always-empty WordPress option, which allows the endpoint's `update_option` handler to pass attacker-controlled `option` and `value` parameters directly to WordPress's `update_option` function without any allowlist or sanitization. This makes it possible for unauthenticated attackers to update arbitrary WordPress options — such as setting `default_role` to `administrator` and enabling open registration — and subsequently register an account with full administrator privileges.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://plugins.trac.wordpress.org/browser/duoshuo/tags/1.2/LocalServer.php#L49
https://plugins.trac.wordpress.org/browser/duoshuo/tags/1.2/LocalServer.php#L54
https://plugins.trac.wordpress.org/browser/duoshuo/tags/1.2/api.php#L40
https://www.wordfence.com/threat-intel/vulnerabilities/id/732c7ccd-de50-4e27-8cb9-3bb0ed30f0b4?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-14482), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.