CVE-2025-61769: emlog XSS — Exploit & Fix

Description

Emlog is an open source website building system. A cross-site scripting (XSS) vulnerability in emlog up to and including version 2.5.22 allows authenticated remote attackers to inject arbitrary web script or HTML via the file upload functionality. As an authenticated user it is possible to upload .svg file that contains JavaScript code that is later being executed. Commit 052f9c4226b2c0014bcd857fec47677340b185b1 fixes the issue.

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CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
emlog	emlog	< 2.5.22

References

Advisories & Patches

https://github.com/emlog/emlog/commit/052f9c4226b2c0014bcd857fec47677340b185b1

Exploits

https://github.com/emlog/emlog/security/advisories/GHSA-rrf5-pv68-gpjf https://github.com/emlog/emlog/security/advisories/GHSA-rrf5-pv68-gpjf

Frequently Asked Questions

What is CVE-2025-61769? +

Emlog is an open source website building system. A cross-site scripting (XSS) vulnerability in emlog up to and including version 2.5.22 allows authenticated remote attackers to inject arbitrary web script or HTML via the file upload functionality. As an authenticated user it is possible to upload .svg file that contains JavaScript code that is later being executed. Commit 052f9c4226b2c0014bcd857fec47677340b185b1 fixes the issue. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-61769? +

CVE-2025-61769 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-61769? +

CVE-2025-61769 affects products from emlog, specifically: emlog. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-61769? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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