CVE-2019-12517: An XSS issue was discovered in the slickquiz plugin through 1.3.7.1 for WordPress

Q: How do I fix CVE-2019-12517?

slickquiz: upgrade to newer than 1.3.7.1. Exact commands for each OS are on this page.

Q: Is CVE-2019-12517 being exploited?

CVE-2019-12517 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-2019-12517 affect?

CVE-2019-12517 affects slickquiz. Severity is medium (CVSS 6.1). An XSS issue was discovered in the slickquiz plugin through 1.3.7.1 for WordPress. The save_quiz_score functionality available via the /wp-admin/admin-ajax.php endpoint allows unauthenticated users to submit quiz solutions/answers, which ar

Q: How urgent is CVE-2019-12517?

Priority 44/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2019-12517 is a medium-severity flaw (CVSS 6.1) affecting slickquiz. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An XSS issue was discovered in the slickquiz plugin through 1.3.7.1 for WordPress. The save_quiz_score functionality available via the /wp-admin/admin-ajax.php endpoint allows unauthenticated users to submit quiz solutions/answers, which are stored in the database and later shown in the WordPress backend for all users with at least Subscriber rights. Because the plugin does not properly validate and sanitize this data, a malicious payload in eith

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-09-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: slickquiz project

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

Am I affected?

Timeline

2019-09-13 13:15 UTCPublished CVE record published
2026-06-17 02:14 UTCUpdated Record last modified

slickquiz project slickquiz UPGRADE

Affected: <= 1.3.7.1

Fixed in: newer than 1.3.7.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy slickquiz || rpm -q slickquiz || slickquiz --version

2. UPGRADE to newer than 1.3.7.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade slickquiz

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade slickquiz

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-2019-12517?

slickquiz: upgrade to newer than 1.3.7.1. Exact commands for each OS are on this page.

Is CVE-2019-12517 being exploited?

CVE-2019-12517 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-2019-12517 affect?

CVE-2019-12517 affects slickquiz. Severity is medium (CVSS 6.1). An XSS issue was discovered in the slickquiz plugin through 1.3.7.1 for WordPress. The save_quiz_score functionality available via the /wp-admin/admin-ajax.php endpoint allows unauthenticated users to submit quiz solutions/answers, which ar

How urgent is CVE-2019-12517?

Priority 44/100. Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2019-12516 HIGH 8.8 UPGRADE The slickquiz plugin through 1.3.7.1 for WordPress allows SQL Injection by Subscriber users, as demonstrated b

References

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