CVE-2025-70886 — HIGH (7.5)

Q: What is CVE-2025-70886?

CVE-2025-70886 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue in halo v.2.22.4 and before allows a remote attacker to cause a denial of service via a crafted payload to the public comment submission endpoint

Q: How severe is CVE-2025-70886?

CVE-2025-70886 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-70886?

Check the references section above for vendor advisories and patch information. Affected products include: Halo Halo.

Vulnerability Description

An issue in halo v.2.22.4 and before allows a remote attacker to cause a denial of service via a crafted payload to the public comment submission endpoint

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Halo	Halo	<= 2.22.4

Related Weaknesses (CWE)

CWE-400

References

https://github.com/HowieHz/CVE-2025-70886ExploitThird Party Advisory
https://github.com/halo-dev/halo/issues/7890ExploitIssue TrackingVendor Advisory
https://howiehz.top/archives/halo-comment-payload-tweakerExploitThird Party Advisory

FAQ

What is CVE-2025-70886?

CVE-2025-70886 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue in halo v.2.22.4 and before allows a remote attacker to cause a denial of service via a crafted payload to the public comment submission endpoint

How severe is CVE-2025-70886?

CVE-2025-70886 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-70886?

Check the references section above for vendor advisories and patch information. Affected products include: Halo Halo.