CVE-2022-1928Public exploitNetwork attack vector

Stored XSS via unsandboxed inline PDF rendering

Published May 29, 2022 · Updated Aug 3, 2024

Stored XSS in Gitea before 1.16.9 allows remote authenticated users to run script in another user's browser through a crafted PDF. The raw repository file handler serves attacker-controlled PDFs inline without a restrictive CSP, nosniff, or forced binary content type. A signed-in user must place the PDF in a repository and another user must open its raw view; execution can read or alter data available to that browser session.

CVSS severity5.4
Medium
EPSS probability0.79%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Gitea before 1.16.9 allows remote authenticated users to run script in another user's browser through a crafted PDF. The raw repository file handler serves attacker-controlled PDFs inline without a restrictive CSP, nosniff, or forced binary content type. A signed-in user must place the PDF in a repository and another user must open its raw view; execution can read or alter data available to that browser session.

The record

CVE
CVE-2022-1928
Published
May 29, 2022
Updated
Aug 3, 2024
Vendor
Gitea
Product
Gitea
Classifications
CWE-79, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 29, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <1.16.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Gitea · Giteaversion=unspecified <1.16.9

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/A:N
4.4huntr.devCVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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