Vulnerability · Published Jun 8, 2026 · Assigned by GitHub_M
CVE-2026-44541Fides: DOM-based XSS vulnerability in fides.js via fides_description override
High 7.0
In plain English
A high-severity cross-site scripting in fides from ethyca. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 4.0)7.0High
Exploit odds (30 days)0.3%top 77.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Fides is an open-source privacy engineering platform. From version 2.33.0 to before version 2.84.5, there is a DOM-based XSS vulnerability in fides.js via the fides_description override. This issue has been patched in version 2.84.5.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | ethyca-fides | 2.84.5 | GHSA-5qrq-9645-g5g2 |
| PyPI | ethyca-fides | 2.84.5 | PYSEC-2026-2470 |
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
References
- https://github.com/ethyca/fides/security/advisories/GHSA-5qrq-9645-g5g2 x_refsource_CONFIRM
- https://github.com/ethyca/fides/commit/67e43b10b1096c7f84d5c0eeba08ee3b7846b7cd x_refsource_MISC
- https://github.com/ethyca/fides/releases/tag/2.84.5 x_refsource_MISC