XSS in Boldgrid W3 Total Cache
CVE-2021-24436
The W3 Total Cache WordPress plugin before 2.1.4 was vulnerable to a reflected Cross-Site Scripting (XSS) security vulnerability within the "extension" parameter in the Extensions dashboard, which is output in an attribute without being es…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.046 (89.5th percentile) — read the EPSS interpretation.
Affected products
- Boldgrid W3 Total Cache — versions 2.1.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/05988ebb-7378-4a3a-9d2d-30f8f58fe9ef (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2021-24436?
- CVE-2021-24436 is a vulnerability in Boldgrid W3 Total Cache, classified under Cross-site Scripting. Published 2021-07-19.
- Is CVE-2021-24436 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.