CVE-2021-24504
WP LMS <= 1.1.2 - Stored Cross-Site Scripting (XSS)
The WP LMS – Best WordPress LMS Plugin WordPress plugin through 1.1.2 does not properly sanitise or validate its User Field Titles, allowing XSS payload to be used in them. Furthermore, no CSRF and capability checks were in place, allowing such attack to be performed either via CSRF or as any user (including unauthenticated)
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The WP LMS – Best WordPress LMS Plugin WordPress plugin through 1.1.2 does not properly sanitise or validate its User Field Titles, allowing XSS payload to be used in them. Furthermore, no CSRF and capability checks were in place, allowing such attack to be performed either via CSRF or as any user (including unauthenticated)
- Record
CVE-2021-24504- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79, CWE-352
- Updated
- 2026-11-02
CVE List No score
WP LMS <= 1.1.2 - Stored Cross-Site Scripting (XSS)
The WP LMS – Best WordPress LMS Plugin WordPress plugin through 1.1.2 does not properly sanitise or validate its User Field Titles, allowing XSS payload to be used in them. Furthermore, no CSRF and capability checks were in place, allowing such attack to be performed either via CSRF or as any user (including unauthenticated)
- Record
CVE-2021-24504- Weakness
- CWE-79, CWE-352
- Updated
- 2026-11-02
EUVDEUVD-2021-11416 No score
The WP LMS – Best WordPress LMS Plugin WordPress plugin through 1.1.2 does not properly sanitise or validate its User Field Titles, allowing XSS payload to be used in them. Furthermore, no CSRF and capability checks were in place, allowing such attack to be performed either via CSRF or as any user (including unauthenticated)
- Record
EUVD-2021-11416- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pqq6-8mr8-33fw
The WP LMS – Best WordPress LMS Plugin WordPress plugin through 1.1.2 does not properly...
The WP LMS – Best WordPress LMS Plugin WordPress plugin through 1.1.2 does not properly sanitise or validate its User Field Titles, allowing XSS payload to be used in them. Furthermore, no CSRF and capability checks were in place, allowing such attack to be performed either via CSRF or as any user (including unauthenticated)
- Record
GHSA-pqq6-8mr8-33fw- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79, CWE-352
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24504 is a medium vulnerability (CVSS 6.1) in Unknown Wp Lms – Best Wordpress Lms Plugin, published August 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.76%, the 55th percentile. No source names a fixed version.