Vulnerability · Published Oct 8, 2025 · Assigned by VulDB
CVE-2025-11441JhumanJ OpnForm HTTP Header excessive authentication
Low 3.7
In plain English
A low-severity security flaw in OpnForm from JhumanJ. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).
Official description
A vulnerability was identified in JhumanJ OpnForm up to 1.9.3. The affected element is an unknown function of the component HTTP Header Handler. The manipulation of the argument X-Forwarded-For leads to improper restriction of excessive authentication attempts. The attack is possible to be carried out remotely. A high degree of complexity is needed for the attack. The exploitability is described as difficult. The exploit is publicly available and might be used. The identifier of the patch is 11e99960e14ca986b1a001a56e7533223d2cfa5b. It is suggested to install a patch to address this issue.
Affected products (as reported)
Weakness: CWE-307, CWE-799 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
References
- VDB-327378 | JhumanJ OpnForm HTTP Header excessive authentication vdb-entry, technical-description
- VDB-327378 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #666888 | GitHub OpnForm 1.9.3 Authentication Bypass by Spoofing third-party-advisory
- https://docs.google.com/document/d/1GUjJA9vUbsXUngAv6ySsbCIhVynf8_djardLZYEDOe0/edit?tab=t.0#heading=h.va2ituwwqcf3 exploit
- https://github.com/JhumanJ/OpnForm/pull/900/commits/11e99960e14ca986b1a001a56e7533223d2cfa5b issue-tracking, patch