CVE-2022-31290 json
Known v1.3.1 Cross-site Scripting
published 2022-07-08 4 y ago modified 2026-06-17 4 mo ago also GHSA-g688-7j3c-h9f3 , EUVD-2022-6337
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
A cross-site scripting (XSS) vulnerability in Known v1.2.2+2020061101 allows authenticated attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Your Name text field.
Exploit prediction
0.86% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- blog.jitendrapatro.me https://blog.jitendrapatro.me/multiple-vulnerabilities-in-idno-known-php-cms-software/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
| GitHub | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | idno/known | <=1.3.1 |
no fix listed |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
blog.jitendrapatro.me
/multiple-vulnerabilities-in-idno-known-php-cms-software/
exploit, third-party-advisory
-
withknown.com
/
product, vendor-advisory
-
docs.withknown.com
/en/latest/install/index.html
web, product, vendor-advisory
-
github.com
/idno/known
package, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2022-31290
advisory
-
blog.jitendrapatro.me
/multiple-vulnerabilities-in-idno-known-php-cms-software
web
-
withknown.com
web
Sources
- CVE List CVE-2022-31290
- GitHub Advisory GHSA-g688-7j3c-h9f3
- NVD CVE-2022-31290
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