Vulnerability · Published Oct 8, 2025 · Assigned by VulDB

CVE-2025-11435JhumanJ OpnForm submissions cross site scripting

Medium 4.3

In plain English

A medium-severity cross-site scripting in OpnForm from JhumanJ. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.4%top 66.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A security vulnerability has been detected in JhumanJ OpnForm up to 1.9.3. Affected by this vulnerability is an unknown functionality of the file /show/submissions. The manipulation leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is a2af1184e53953afa8cb052f4055f288adcaa608. To fix this issue, it is recommended to deploy a patch.

Affected products (as reported)

Vendor	Product	Versions
JhumanJ	OpnForm	1.9.01.9.11.9.21.9.3

Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C

References

VDB-327372 | JhumanJ OpnForm submissions cross site scripting vdb-entry
VDB-327372 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #666876 | GitHub OpnForm 1.9.3 Cross Site Scripting third-party-advisory
https://docs.google.com/document/d/1GUjJA9vUbsXUngAv6ySsbCIhVynf8_djardLZYEDOe0/edit?usp=sharing exploit
https://github.com/JhumanJ/OpnForm/pull/900/commits/a2af1184e53953afa8cb052f4055f288adcaa608 issue-tracking, patch