CVE-2020-19202 json
An authenticated Stored XSS (Cross-site Scripting) exists in the "captive.cgi" Captive Portal via the "Title of Login Page" text box or "TI…
published 2021-06-17 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-11109
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
An authenticated Stored XSS (Cross-site Scripting) exists in the "captive.cgi" Captive Portal via the "Title of Login Page" text box or "TITLE" parameter in IPFire 2.21 (x86_64) - Core Update 130. It allows an authenticated WebGUI user with privileges to execute Stored Cross-site Scripting in the Captive Portal page.
Exploit prediction
0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- gist.github.com https://gist.github.com/dharmeshbaskaran/2825ee8ae48b9065193c07a92b3a712c 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 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
gist.github.com
/dharmeshbaskaran/2825ee8ae48b9065193c07a92b3a712c
exploit, mitigation, third-party-advisory
-
blog.ipfire.org
/post/ipfire-2-23-core-update-132-released
release-notes, vendor-advisory
Sources
- CVE List CVE-2020-19202
- NVD CVE-2020-19202
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