CVE-2021-24740: themeum tutor lms Cross-site Scripting
CVSS: 5.5v3.1MediumModified
Published 18-10-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-24740 is a medium (CVSS 5.5) Cross-site Scripting vulnerability in themeum tutor lms. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.8% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 1.9.9.
CVSS score
5.5/10
010
Medium · v3.1 (wordfence)EPSS score
0.64%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 18-10-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
The Tutor LMS WordPress plugin before 1.9.9 does not escape some of its settings before outputting them in attributes, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 5.5Preferred score · wordfence (Source)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:NSources2 sources · 4.8–5.5
- NVDNIST4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NDiffers
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.64%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
0.00 pp
From 0.64% on 19-09-2026
19-09-202619-10-2026
EPSS score0.64%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Themeum1 product
- tutor lms< 1.9.9
Unknown1 product
- tutor lms – elearning and online course solution≥ 1.9.9, < 1.9.9
Wordpress1 product
- tutor< 1.9.9
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/e6cf694d-c4ae-4b91-97c0-a6bdbafc7d60X Refsource MISCExploitThird Party Advisory