What’s Vulnerable › Vulnerabilities

CVE-2025-51857

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-08-05 · updated 2026-07-05
• Weakness: CWE-79

Description

The reconcile method in the AttachmentReconciler class of the Halo system v.2.20.18LTS and before is vulnerable to XSS attacks.

References

• https://gist.github.com/this1slwl/d714514635119159607c14faebbbcf20
• https://github.com/halo-dev/halo

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