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CVE-2025-52880— Komga Vulnerable to Arbitrary Code Execution via Crafted EPUB File

Quick assessment

Affected
gotson komga
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Komga是Gauthier个人开发者的一个漫画、杂志、电子书的媒体服务器。 Komga 1.8.0至1.21.3版本存在安全漏洞，该漏洞源于EPUB资源中存在跨站脚本，可能导致以受害者身份执行操作。

CVSS 4.2 · Medium EPSS 0.28% · P20
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I. Basic Information for CVE-2025-52880

Vulnerability Information
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Vulnerability Title
Komga Vulnerable to Arbitrary Code Execution via Crafted EPUB File
Source: CVE Program / CVE List V5
Vulnerability Description
Komga is a media server for comics, mangas, BDs, magazines and eBooks. A Cross-Site Scripting (XSS) vulnerability has been discovered in versions 1.8.0 through 1.21.3 when serving EPUB resources, either directly from the API, or when reading using the epub reader. The vulnerability lets an attacker perform actions on the victim's behalf. When targeting an admin user, this can be combined with controlling a server-side command to achieve arbitrary code execution. For this vulnerability to be exploited, a malicious EPUB file has to be present in a Komga library, and subsequently accessed in the Epub reader by an admin user. Version 1.22.0 contains a patch for the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
交互频率的控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Komga 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Komga是Gauthier个人开发者的一个漫画、杂志、电子书的媒体服务器。 Komga 1.8.0至1.21.3版本存在安全漏洞，该漏洞源于EPUB资源中存在跨站脚本，可能导致以受害者身份执行操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
gotson komga >= 1.8.0, < 1.22.0 -

II. Public POCs for CVE-2025-52880

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III. Intelligence Information for CVE-2025-52880

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IV. Related Vulnerabilities

Same weakness: CWE-799

V. Comments for CVE-2025-52880

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