CVE-2022-42247 json
pfSense v2.5.2 was discovered to contain a cross-site scripting (XSS) vulnerability in the browser.php component.
published 2022-10-03 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-45323
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.3%
- EPSS 3.3% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
3.29% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- gist.github.com https://gist.github.com/enferas/b4ca7a4fb52e1b5e698f87e4d655a70a referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/pfsense/pfsense/commit/73ca6743954ac9f35ca293e3f2af63eac20cf32e
patch, third-party-advisory
-
gist.github.com
/enferas/b4ca7a4fb52e1b5e698f87e4d655a70a
exploit, patch, third-party-advisory
Sources
- CVE List CVE-2022-42247
- NVD CVE-2022-42247
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