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CVE-2025-5352

30
FAUCET Score

CVE-2025-5352 is a critical stored Cross-Site Scripting (XSS) vulnerability affecting lunary-ai/lunary versions up to 1.9.23. This flaw allows arbitrary JavaScript execution due to unsanitized injection of the NEXT_PUBLIC_CUSTOM_SCRIPT environment variable into the DOM. With a CVSS score of 9.6 (CRITICAL), successful exploitation can lead to complete account takeover, data exfiltration, and persistent attacks across all users. There is no evidence of active exploitation, public exploit code, or Metasploit/Nuclei modules, but the vulnerability has garnered some community discussion. The issue is fixed in version 1.9.25.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.9.25CPE matchmatch criteria
cpe:2.3:a:lunary:lunary:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.1HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
39.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 44th percentile among its peer group of 834 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.8 Bluesky, 0.5 Mastodon, and 1.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / lunary-ai/lunary/commit/e2e43e88cecf742bacb639ab880507bbfdfd065c
Patch
huntr.com / bounties/f1d3dbce-3c3e-480e-b81e-0e8afa05c491
ExploitPatchThird Party Advisory