CVE-2025-53926: Emlog has Stored Cross-site Scripting vulnerability due to error

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-07-16 · updated 2026-06-17
Weakness: CWE-79

Description

Emlog is an open source website building system. A cross-site scripting (XSS) vulnerability in emlog up to and including pro-2.5.17 allows remote attackers to inject arbitrary web script or HTML via the comment and comname parameters. Reflected XSS requires the victim to send POST requests, therefore the victim must be persuaded into clicking into sent URL. As of time of publication, no known patched versions exist.

Affected products

emlog: through 2.5.17

References

https://github.com/emlog/emlog/security/advisories/GHSA-g8jx-pj5p-fm3x
https://github.com/emlog/emlog/security/advisories/GHSA-g8jx-pj5p-fm3x

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