CVE-2026-63135
high
CVSS v3
8.2
CVSS v4 NEW
—
VIR risk
8.2
Description
YOURLS has stored XSS in referrer statistics chart via crafted Referer header
Predictions
Exploit likelihood
88%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | yourls/yourls | >=1.5.1,<1.10.4 | 1.10.4 |
| Packagist | yourls/yourls | >=1.5.1,<=1.10.3 | |
References
- https://github.com/YOURLS/YOURLS/commit/e1e93476655107e6caab34e52259eb1c91079ec7
- https://github.com/YOURLS/YOURLS/pull/4107
- https://github.com/YOURLS/YOURLS/releases/tag/1.10.4
- https://github.com/YOURLS/YOURLS/security/advisories/GHSA-5h77-88j3-r659
- https://github.com/advisories/GHSA-5h77-88j3-r659
- https://github.com/YOURLS/YOURLS
CWEs
CWE-79
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.