CVE-2021-24873: themeum tutor lms Cross-site Scripting
CVSS: 6.1v3.1MediumModified
Published 23-11-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-24873 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in themeum tutor lms. EPSS estimates a 0.78% chance of exploitation in the next 30 days, higher than 55.1% of scored vulnerabilities. Fixed in 1.9.11.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
0.78%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 23-11-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
The Tutor LMS WordPress plugin before 1.9.11 does not sanitise and escape user input before outputting back in attributes in the Student Registration page, leading to a Reflected Cross-Site Scripting issue
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- wordfenceSource6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.78%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
0.00 pp
From 0.78% on 18-09-2026
18-09-202618-10-2026
EPSS score0.78%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Themeum1 product
- tutor lms< 1.9.11
Unknown1 product
- tutor lms – elearning and online course solution≥ 1.9.11, < 1.9.11
Wordpress1 product
- tutor≤ 1.9.10 (fixed in 1.9.11)
3 vendors · 3 products