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
jhumanj: opnform
References6
- github.com/JhumanJ/OpnForm/pull/900/commits/11e99960e14ca986b1a… Patch
- docs.google.com/document/d/1GUjJA9vUbsXUngAv6ySsbCIhVynf8_djard… ExploitThird Party Advisory
- docs.google.com/document/d/1GUjJA9vUbsXUngAv6ySsbCIhVynf8_djard… ExploitThird Party Advisory
- vuldb.com/?ctiid.327378 Permissions RequiredVDB Entry
- vuldb.com/?id.327378 Third Party AdvisoryVDB Entry
- vuldb.com/?submit.666888 Third Party AdvisoryVDB Entry
Metrics
- CVSS 3.1
-
3.7
LOW
Score source: CNA
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 4.0
-
2.9
LOW
Score source: CNA
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 1% percentile: 49 · as of 9 November 2026
- CWE
- CWE-307CWE-799
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.