Vulnerability · Published Jan 16, 2022 · Assigned by @huntrdev
CVE-2021-4170Cross-site Scripting (XSS) - Stored in janeczku/calibre-web
High 7.3
In plain English
A high-severity cross-site scripting in janeczku/calibre-web from janeczku. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)7.3High
Exploit odds (30 days)0.8%top 43.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
calibre-web is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | calibreweb | 0.6.15 | GHSA-wrp6-9w7f-3wxg |
| PyPI | calibreweb | 0.6.15 | PYSEC-2026-620 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| janeczku | janeczku/calibre-web | unspecified – before 0.6.15 |
Weakness: CWE-79 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N