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CVE-2026-22033

21
FAUCET Score

CVE-2026-22033 is a persistent stored cross-site scripting (XSS) vulnerability in Label Studio versions 1.22.0 and earlier, specifically within the custom_hotkeys functionality. An authenticated attacker can inject malicious JavaScript that executes in other users' browsers, potentially leading to full account takeover and unauthorized API access due to exposed API tokens and weak CSRF protection. This vulnerability has a CVSS score of 5.4 (Medium), indicating a network-based attack with low privileges and user interaction required, resulting in low confidentiality and integrity impacts. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.22.0CPE matchmatch criteria
cpe:2.3:a:humansignal:label_studio:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.6HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
15.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 19th percentile among its peer group of 15,224 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

pipGHSA-2mq9-hm29-8qchhigh

Label Studio is vulnerable to full account takeover by chaining Stored XSS + IDOR in User Profile via custom_hotkeys field

Jan 12, 2026

References

github.com / HumanSignal/label-studio/commit/ea2462bf042bbf370b79445d02a205fbe547b505
Patch
github.com / HumanSignal/label-studio/pull/9084
Issue Tracking
github.com / HumanSignal/label-studio/security/advisories/GHSA-2mq9-hm29-8qch
ExploitVendor Advisory