Vulnerability · Published Oct 5, 2026 · Assigned by VulnCheck

CVE-2026-105397LearnPress WordPress Plugin through 4.4.9.1 Stored XSS via Quiz Question Hint and Explanation

Medium 5.4

In plain English

A medium-severity cross-site scripting in LearnPress from ThimPress. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.2%top 94.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

LearnPress plugin for WordPress through 4.4.9.1 contains a stored cross-site scripting vulnerability that allows authenticated instructors to inject scripts via quiz question hint and explanation fields. Attackers with the Instructor role can submit unsanitized payloads through the update_question AJAX handler that execute in the session of every student taking the quiz.

Affected products (as reported)

Vendor	Product	Versions
ThimPress	LearnPress	0 – through 4.4.9.1

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References

Patch Commit patch
Unsanitized hint/explanation write (4.4.9.1) technical-description
dangerouslySetInnerHTML render sink (4.4.9.1) technical-description
https://wordpress.org/plugins/learnpress/ product
VulnCheck Advisory: LearnPress WordPress Plugin through 4.4.9.1 Stored XSS via Quiz Question Hint and Explanation third-party-advisory