CVE-2023-5943: The Wp-Adv-Quiz WordPress plugin before 1.0.3 does not sanitise and escape some of its settings, which could a

Q: How do I fix CVE-2023-5943?

wp-adv-quiz: upgrade to newer than 1.0.2. Exact commands for each OS are on this page.

Q: Is CVE-2023-5943 being exploited?

CVE-2023-5943 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-5943 affect?

CVE-2023-5943 affects wp-adv-quiz. Severity is medium (CVSS 4.8). The Wp-Adv-Quiz WordPress plugin before 1.0.3 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed.

Q: How urgent is CVE-2023-5943?

Priority 30/100. Public exploit reference

Routine

MEDIUM 4.8UPGRADE

CVE-2023-5943 is a medium-severity flaw (CVSS 4.8) affecting wp-adv-quiz. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Wp-Adv-Quiz WordPress plugin before 1.0.3 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-01-29
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: markusbegerow

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-01-29 15:15 UTCPublished CVE record published
2026-06-17 06:49 UTCUpdated Record last modified

markusbegerow wp-adv-quiz UPGRADE

Affected: <= 1.0.2

Fixed in: newer than 1.0.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wp-adv-quiz || rpm -q wp-adv-quiz || wp-adv-quiz --version

2. UPGRADE to newer than 1.0.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wp-adv-quiz

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wp-adv-quiz

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-5943?

wp-adv-quiz: upgrade to newer than 1.0.2. Exact commands for each OS are on this page.

Is CVE-2023-5943 being exploited?

CVE-2023-5943 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-5943 affect?

CVE-2023-5943 affects wp-adv-quiz. Severity is medium (CVSS 4.8). The Wp-Adv-Quiz WordPress plugin before 1.0.3 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed.

How urgent is CVE-2023-5943?

Priority 30/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2023-5956 MEDIUM 4.8 UPGRADE The Wp-Adv-Quiz WordPress plugin through 1.0.2 does not sanitise and escape some of its settings, which could

References

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