XSS in Getkirby Kirby
CVE-2021-41252
Kirby is an open source file structured CMS ### Impact Kirby's writer field stores its formatted content as HTML code. Unlike with other field types, it is not possible to escape HTML special characters against cross-site scripting (XSS) a…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.008 (74.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N.
Affected products
- Getkirby Kirby — versions >= 3.5.0, < 3.5.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/getkirby/kirby/security/advisories/GHSA-x7j7-qp7j-hw3q (x_refsource_CONFIRM)
- github.com/getkirby/kirby/commit/25fc5c6b330442e6433c99befc688f3698c5d1fc (x_refsource_MISC)
- github.com/getkirby/kirby/releases/tag/3.5.8 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-41252?
- CVE-2021-41252 is a high-severity vulnerability in Getkirby Kirby, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2021-11-16.
- How severe is CVE-2021-41252?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2021-41252 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.