Medium severity · published Oct 4, 2021
CVE-2021-25964
In “Calibre-web” application, v0.6.0 to v0.6.12, are vulnerable to Stored XSS in “Metadata”
5.4
CVSS
0.5%
EPSS
No
On KEV
Description
In “Calibre-web” application, v0.6.0 to v0.6.12, are vulnerable to Stored XSS in “Metadata”. An attacker that has access to edit the metadata information, can inject JavaScript payload in the description field. When a victim tries to open the file, XSS will be triggered.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CA
Calibre-web · Janeczku
0.6.0 before 0.6.12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-25964
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-25964
Patch
https://github.com/janeczku/calibre-web/commit/32e27712f0f71fdec646add20cd78b4ce75acfce
Third Party Advisory
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25964
More from Calibre-web
9.9
CVE-2022-0939
Server-Side Request Forgery (SSRF) in GitHub repository janeczku/calibre-web prior to 0.6.18
9.9
CVE-2022-0767
Server-Side Request Forgery (SSRF) in GitHub repository janeczku/calibre-web prior to 0.6.17
9.8
CVE-2025-7404
Calibre Web 0.6.24 & Autocaliweb 0.7.0 - Blind C
9.8
CVE-2023-2106
Weak Password Requirements in GitHub repository janeczku/calibre-web prior to 0.6.20
9.8
CVE-2022-2525
Improper Restriction of Excessive Authentication Attempts in GitHub repository janeczku/calibre-web prior to 0.6.20
