CVE-2025-50978: gitblit XSS — Exploit

Description

In Gitblit v1.7.1, a reflected cross-site scripting (XSS) vulnerability exists in the way repository path names are handled. By injecting a specially crafted path payload an attacker can cause arbitrary JavaScript to execute when a victim views the manipulated URL. This flaw stems from insufficient input sanitization of filename elements.

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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
gitblit	gitblit	All

References

Exploits

https://github.com/4rdr/proofs/blob/main/info/gitblit-v1.7.1-reflected-XSS-via-filenames.md

Frequently Asked Questions

What is CVE-2025-50978? +

In Gitblit v1.7.1, a reflected cross-site scripting (XSS) vulnerability exists in the way repository path names are handled. By injecting a specially crafted path payload an attacker can cause arbitrary JavaScript to execute when a victim views the manipulated URL. This flaw stems from insufficient input sanitization of filename elements. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-50978? +

CVE-2025-50978 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-2025-50978? +

CVE-2025-50978 affects products from gitblit, specifically: gitblit. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-50978? +

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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CVE-2025-50978