XSS in Pfsense
CVE-2022-42247
pfSense v2.5.2 was discovered to contain a cross-site scripting (XSS) vulnerability in the browser.php component. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into a file name.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.027 (85.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.027 · change: +0.001
Affected products
- Pfsense — versions 2.5.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gist.github.com/enferas/b4ca7a4fb52e1b5e698f87e4d655a70a (Exploit, Patch, Third Party Advisory)
- github.com/pfsense/pfsense/commit/73ca6743954ac9f35ca293e3f2af63eac20cf32e (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-42247?
- CVE-2022-42247 is a medium-severity vulnerability in Pfsense, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-10-03.
- How severe is CVE-2022-42247?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2022-42247 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.