Plugins · hd-quiz · data as of 2026-11-04
Is HD Quiz safe? Known vulnerabilities and latest version
- Latest version
- 2.2.3
- Last updated
- 2026-09-28
- Active installs
- 6,000+
- Known issues on record
- 5
- Unpatched in latest
- 0
- Tested up to WP
- 7.1.4 · PHP 7.0+
Create a Quiz. An easy-to-use feature rich plugin to create quizzes with quiz timer, pagination, hints, advanced marking, and leading help and support — by Harmonic Design
What to do
- Update to the latest version (2.2.3). Anything older than 2.2.2 has at least one known issue listed below. Dashboard → Updates, or Plugins → “update now”.
- If you cannot update right away, deactivate it until you can.
- Turn on auto-updates for it: Plugins → “Enable auto-updates” on its row.
- If you ran a vulnerable version and something looks off (spam pages, strange admins, redirects), run the free scan.
With WP-CLI: wp plugin get hd-quiz --field=version shows what you run; wp plugin update hd-quiz updates it.
Check your version
Known vulnerabilities
5 on record, newest first. “Affected” is the version range the source gives; “fixed in” is the version the source names, or (marked *) the first wordpress.org release after the last affected version.
medium 4.3 CVE-2026-13422 · published 2026-06-27
Cross-site request forgery (CSRF) in HD Quiz (2.2.0 to 2.2.1)
- Affected
- 2.2.0 to 2.2.1
- Fixed in
- 2.2.2 *
- Access needed (per CVSS)
- No login needed; someone on the site has to click a link or open a page
- Range from
- CVE record (the advisory publisher) · score by Wordfence
Details from the advisory
The HD Quiz plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions 2.2.0 to 2.2.1. This is due to missing or incorrect nonce validation on the hdq_validate_nonce function. This makes it possible for unauthenticated attackers to delete or modify quizzes and questions, create new quizzes, and change plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
medium 4.3 CVE-2026-24544 · published 2026-01-23
Missing authorization check in HD Quiz (2.0.9 and older)
- Affected
- 2.0.9 and older
- Fixed in
- 2.0.10
- Access needed (per CVSS)
- Needs a low-level account (e.g. subscriber)
- Range from
- CVE record (the advisory publisher) · score by Patchstack
Details from the advisory
Missing Authorization vulnerability in Harmonic Design HD Quiz hd-quiz allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects HD Quiz: from n/a through <= 2.0.9.
medium 4.8 CVE-2024-13383 · published 2025-05-15
Stored cross-site scripting (XSS) in HD Quiz (older than 2.0.0)
- Affected
- older than 2.0.0
- Fixed in
- 2.0.0
- Access needed (per CVSS)
- Needs an admin-level account; someone on the site has to click a link or open a page
- Range from
- CVE record (the advisory publisher) · score by CISA ADP
Details from the advisory
The HD Quiz WordPress plugin before 2.0.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
medium 4.8 CVE-2024-22161 · published 2024-01-31
Stored cross-site scripting (XSS) in HD Quiz (1.8.11 and older)
- Affected
- 1.8.11 and older
- Fixed in
- 1.8.12
- Access needed (per CVSS)
- Needs an admin-level account; someone on the site has to click a link or open a page
- Range from
- CVE record (the advisory publisher) · score by NVD
Details from the advisory
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Harmonic Design HD Quiz allows Stored XSS.This issue affects HD Quiz: from n/a through 1.8.11.
medium 5.4 CVE-2021-24571 · published 2021-08-23
Stored cross-site scripting (XSS) in HD Quiz (older than 1.8.4)
- Affected
- older than 1.8.4
- Fixed in
- 1.8.4
- Access needed (per CVSS)
- Needs a low-level account (e.g. subscriber); someone on the site has to click a link or open a page
- Range from
- NVD analysis · score by NVD
Details from the advisory
The HD Quiz WordPress plugin before 1.8.4 does not escape some of its Answers before outputting them in attribute when generating the Quiz, which could lead to Stored Cross-Site Scripting issues
Recent activity
- 2026-09-28 — latest release on wordpress.org (2.2.3).
- 2026-06-27 — Cross-site request forgery (CSRF) disclosed (CVE-2026-13422), fixed in 2.2.2.
- 2026-01-23 — Missing authorization check disclosed (CVE-2026-24544), fixed in 2.0.10.
- 2025-05-15 — Stored cross-site scripting (XSS) disclosed (CVE-2024-13383), fixed in 2.0.0.
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Browse vulnerabilities
- Published this week
- Unpatched in the latest version
- By type of vulnerability
- Plugins by Harmonic Design (2 tracked)
Types found in this plugin: Cross-site scripting (XSS) (3) · Cross-site request forgery (CSRF) (1) · Missing authorization (1)
Where this data comes from
- Version, last update, installs: wordpress.org/plugins/hd-quiz (Plugins API), fetched 2026-11-04.
- Vulnerabilities: NIST National Vulnerability Database (NVD), checked 2026-11-04. This product uses data from the NVD API but is not endorsed or certified by the NVD.
- Each record links to its CVE page and to the original advisory (Wordfence, Patchstack or WPScan) where there is one. We only list a CVE here when its references or its advisory name this exact plugin, so a few real issues may be missing; none should be about a different plugin. Spot an error? Email Daniel.
Badge for your site or docs (states facts with a date, not a verdict):
<a href="https://laskyr.com/plugins/hd-quiz"><img src="https://laskyr.com/plugins/hd-quiz/badge.svg" alt="HD Quiz vulnerability status"></a>