CVE-2020-35650

Name: CVE-2020-35650
Creator: NVD / NIST
Published: 2020-12-23T16:15:13.03+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.77%

Last modified Jun 17, 2026

CVE-2020-35650 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Multiple cross-site scripting (XSS) vulnerabilities in Uncanny Groups for LearnDash before v3.7 allow authenticated remote attackers to inject arbitrary JavaScript or HTML via the ulgm_code_redeem POST Parameter in user-code-redemption.php, the ulgm_user_first POST Parameter in user-registration-form.php, the ulgm_user_last POST Parameter in user-registration-form.php, the ulgm_user_email POST Parameter in user-registration-form.php, the ulgm_code_registration POST Parameter in user-registration-form.php, the ulgm_terms_conditions POST Parameter in user-registration-form.php, the _ulgm_total_seats POST Parameter in frontend-uo_groups_buy_courses.php, the uncanny_group_signup_user_first POST Parameter in group-registration-form.php, the uncanny_group_signup_user_last POST Parameter in group-registration-form.php, the uncanny_group_signup_user_login POST Parameter in group-registration-form.php, the uncanny_group_signup_user_email POST Parameter in group-registration-form.php, the success-invited GET Parameter in frontend-uo_groups.php, the bulk-errors GET Parameter in frontend-uo_groups.php, or the message GET Parameter in frontend-uo_groups.php.. EPSS estimates a 0.77% chance of exploitation in the next 30 days.

Description

Multiple cross-site scripting (XSS) vulnerabilities in Uncanny Groups for LearnDash before v3.7 allow authenticated remote attackers to inject arbitrary JavaScript or HTML via the ulgm_code_redeem POST Parameter in user-code-redemption.php, the ulgm_user_first POST Parameter in user-registration-form.php, the ulgm_user_last POST Parameter in user-registration-form.php, the ulgm_user_email POST Parameter in user-registration-form.php, the ulgm_code_registration POST Parameter in user-registration-form.php, the ulgm_terms_conditions POST Parameter in user-registration-form.php, the _ulgm_total_seats POST Parameter in frontend-uo_groups_buy_courses.php, the uncanny_group_signup_user_first POST Parameter in group-registration-form.php, the uncanny_group_signup_user_last POST Parameter in group-registration-form.php, the uncanny_group_signup_user_login POST Parameter in group-registration-form.php, the uncanny_group_signup_user_email POST Parameter in group-registration-form.php, the success-invited GET Parameter in frontend-uo_groups.php, the bulk-errors GET Parameter in frontend-uo_groups.php, or the message GET Parameter in frontend-uo_groups.php.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.77%

51.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Uncannyowl	Uncanny Groups For Learndash	< 3.7

References

https://gist.github.com/michiiii/81d801f563138abe7da61e2d95342202Third Party Advisory
https://www.uncannyowl.com/knowledge-base/uncanny-learndash-groups-changelog/Release Notes, Vendor Advisory
https://gist.github.com/michiiii/81d801f563138abe7da61e2d95342202Third Party Advisory
https://www.uncannyowl.com/knowledge-base/uncanny-learndash-groups-changelog/Release Notes, Vendor Advisory

Timeline

Published: Dec 23, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-35650?

How severe is CVE-2020-35650?

CVE-2020-35650 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.77% probability of exploitation in the next 30 days.

How do I fix CVE-2020-35650?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-35650?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST