8.7
HIGH CVSS 3.1
CVE-2026-26022
Gogs: Stored XSS via data URI in issue comments
Description

Gogs is an open source self-hosted Git service. Prior to version 0.14.2, a stored cross-site scripting (XSS) vulnerability exists in the comment and issue description functionality. The application's HTML sanitizer explicitly allows data: URI schemes, enabling authenticated users to inject arbitrary JavaScript execution via malicious links. This issue has been patched in version 0.14.2.

INFO

Published Date :

March 5, 2026, 7:16 p.m.

Last Modified :

March 5, 2026, 7:38 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-26022 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
Solution
Update Gogs to version 0.14.2 or later to fix the stored XSS vulnerability.
  • Update Gogs to version 0.14.2 or later.
  • Verify the patch is applied correctly.
  • Review user-generated content for malicious scripts.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-26022.

URL Resource
https://github.com/gogs/gogs/commit/441c64d7bd8893b2f4e48660a8be3a7472e14291
https://github.com/gogs/gogs/pull/8174
https://github.com/gogs/gogs/releases/tag/v0.14.2
https://github.com/gogs/gogs/security/advisories/GHSA-xrcr-gmf5-2r8j
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-26022 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-26022 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-26022 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-26022 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Mar. 05, 2026

    Action Type Old Value New Value
    Added Description Gogs is an open source self-hosted Git service. Prior to version 0.14.2, a stored cross-site scripting (XSS) vulnerability exists in the comment and issue description functionality. The application's HTML sanitizer explicitly allows data: URI schemes, enabling authenticated users to inject arbitrary JavaScript execution via malicious links. This issue has been patched in version 0.14.2.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
    Added CWE CWE-79
    Added Reference https://github.com/gogs/gogs/commit/441c64d7bd8893b2f4e48660a8be3a7472e14291
    Added Reference https://github.com/gogs/gogs/pull/8174
    Added Reference https://github.com/gogs/gogs/releases/tag/v0.14.2
    Added Reference https://github.com/gogs/gogs/security/advisories/GHSA-xrcr-gmf5-2r8j
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.7
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact