Vulnerability Details : CVE-2021-4170
Potential exploit
calibre-web is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-4170
- cpe:2.3:a:janeczku:calibre-web:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-4170
0.27%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-4170
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
7.3
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N |
2.1
|
5.2
|
huntr.dev | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2021-4170
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: security@huntr.dev (Primary)
References for CVE-2021-4170
-
https://huntr.dev/bounties/ff395101-e392-401d-ab4f-579c63fbf6a0
Cross-site Scripting (XSS) - Stored vulnerability found in calibre-webExploit;Third Party Advisory
-
https://github.com/janeczku/calibre-web/commit/7ad419dc8c12180e842a82118f4866ac3d074bc5
Fix upload of cover and book formats containing html characters · janeczku/calibre-web@7ad419d · GitHubPatch;Third Party Advisory
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