CVE-2020-23517 json
Cross Site Scripting (XSS) vulnerability in Aryanic HighMail (High CMS) versions 2020 and before allows remote attackers to inject arbitrar…
published 2021-03-26 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-16261
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 7.3%
- EPSS 7.3% chance of exploitation in 30 days, percentile 94%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
Cross Site Scripting (XSS) vulnerability in Aryanic HighMail (High CMS) versions 2020 and before allows remote attackers to inject arbitrary web script or HTML, via 'user' to LoginForm.
Exploit prediction
7.30% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Aryanic HighMail (High CMS) - Cross-Site Scripting nuclei detection template
- vulnerabilitypublishing.blogspot.com https://vulnerabilitypublishing.blogspot.com/2021/03/aryanic-highmail-high-cms-reflected.html 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 |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
vulnerabilitypublishing.blogspot.com
/2021/03/aryanic-highmail-high-cms-reflected.html
exploit, third-party-advisory
Sources
- CVE List CVE-2020-23517
- NVD CVE-2020-23517
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