CVE-2021-25017: The Tutor LMS WordPress plugin before 1.9.12 does not escape the search parameter before outputting it back in an attribute in an admin page, leading to a Reflected Cross-Site Scripting

medium Affects tutor-lms (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published 2022-01-24; advisory modified 2026-06-17.

The Tutor LMS WordPress plugin before 1.9.12 does not escape the search parameter before outputting it back in an attribute in an admin page, leading to a Reflected Cross-Site Scripting

Package: tutor-lms (WordPress plugin) WordPress
Affected versions: <1.9.12
Fixed in: 1.9.12
Severity: medium CVSS 6.1
Exploitation: not on CISA KEV · EPSS 1% (62.9th percentile)
Published: 2022-01-24
Source: nvd

References

CWE-79

NVD record tutor-lms (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

Install docs How findings are ranked

Related advisories

CVE-2020-8615 medium A CSRF vulnerability in the Tutor LMS plugin before 1.5.3 for WordPress can result in an a same package: tutor-lms (WordPress plugin)
CVE-2021-24182 medium The tutor_quiz_builder_get_answers_by_question AJAX action from the Tutor LMS – eLearning same package: tutor-lms (WordPress plugin)
CVE-2021-24183 medium The tutor_quiz_builder_get_question_form AJAX action from the Tutor LMS – eLearning and on same package: tutor-lms (WordPress plugin)
CVE-2021-24184 high Several AJAX endpoints in the Tutor LMS – eLearning and online course solution WordPress p same package: tutor-lms (WordPress plugin)
CVE-2023-0236 medium The Tutor LMS WordPress plugin before 2.0.10 does not sanitise and escape the reset_key an same package: tutor-lms (WordPress plugin)
CVE-2021-24181 medium The tutor_mark_answer_as_correct AJAX action from the Tutor LMS – eLearning and online cou same package: tutor-lms (WordPress plugin)