Gitea vulnerable to Cross-site Scripting

published 2025-12-26 10 mo ago modified 2026-10-13 27 d ago also BIT-gitea-2025-68946 , EUVD-2025-205421 , GHSA-hq57-c72x-4774 , GO-2025-4265

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 16%
public exploits: 0; none known

In Gitea before 1.20.1, a forbidden URL scheme such as javascript: can be used for a link, aka XSS.

Patch / fix

fixed in 3 distros 2 links 2

go code.gitea.io/gitea 1.20.1
bitnami gitea 1.20.1
Gitea Gitea 1.20.1

suse opensuse

govulncheck-vulndb openSUSE Leap 15.6 0.0.20251230T014957-150000.1.134.1

suse advisories SUSE-SU-2026:0037-1

govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1

opensuse advisories openSUSE-SU-2026:21483-1

github.com/go-gitea/gitea#25960 pull request
github.com/go-gitea/gitea/releases/tag/v1.20.1 release

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-68946 updated 2026-06-28 cvss 5.4

gitea: Gitea: Cross-Site Scripting (XSS) via forbidden URL scheme in links

Red Hat OpenShift Pipelines openshift-pipelines/pipelines-pipelines-as-code-cli-rhel8, openshift-pipelines/pipelines-pipelines-as-code-cli-rhel9, openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel8, openshift-pipelines/pipelines-pipelines-as-code-watcher-rhel9, openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel8, openshift-pipelines/pipelines-pipelines-as-code-webhook-rhel9, +2 more
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 10 mo ago (2025-12-26)

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
GitHub	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
OSV	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
go	code.gitea.io/gitea	<1.20.1	1.20.1
bitnami	gitea	<1.20.1	1.20.1

Affected products

Gitea Gitea

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /go-gitea/gitea/pull/25960
web, issue-tracking, patch
blog.gitea.com /release-of-1.20.1/
release-notes, article
github.com /go-gitea/gitea/releases/tag/v1.20.1
web, release-notes, article
nvd.nist.gov /vuln/detail/CVE-2025-68946
advisory, web
blog.gitea.com /release-of-1.20.1
web
github.com /go-gitea/gitea
package
github.com /advisories/GHSA-hq57-c72x-4774
advisory

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary