CVE-2023-30962: Stored XSS in cerberus attachments

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-12 · updated 2026-06-17
Weakness: CWE-434

Description

The Gotham Cerberus service was found to have a stored cross-site scripting (XSS) vulnerability that could have allowed an attacker with access to Gotham to launch attacks against other users. This vulnerability is resolved in Cerberus 100.230704.0-27-g031dd58 .

Affected products

Palantir Gotham Cerberus: before 100.230704.0-27-g031dd58 — fixed in 100.230704.0-27-g031dd58

How to fix

Upgrade to a fixed version: Palantir Gotham Cerberus 100.230704.0-27-g031dd58. Check the vendor advisory for mitigations.

References

https://palantir.safebase.us/?tcuUid=92dd599a-07e2-43a8-956a-9c9566794be0
https://palantir.safebase.us/?tcuUid=92dd599a-07e2-43a8-956a-9c9566794be0

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