Vulnerability · Published May 14, 2026 · Assigned by CERT-PL
CVE-2026-1630Reflected XSS in WEBCON BPS
Medium 5.1
In plain English
A medium-severity cross-site scripting in WEBCON BPS from WEBCON. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).
Severity (CVSS 4.0)5.1Medium
Exploit odds (30 days)0.4%top 62.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
WEBCON BPS is vulnerable to Reflected XSS via one of parameters used by "/openinmobileapp" endpoint. An attacker can send a specially crafted URL that, when opened by an authenticated user, results in arbitrary JavaScript execution in the victim's browser. This issue was fixed in versions 2026.1.3.109 and 2025.2.1.293.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WEBCON | WEBCON BPS | 2026.1.1.45 – before 2026.1.3.1092025.1.1.87 – before 2025.2.1.293 |
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
References
- https://cert.pl/en/posts/2026/05/CVE-2026-1630/ third-party-advisory
- https://community.webcon.com/download/changelog/398?q=db746ec release-notes
- https://community.webcon.com/download/changelog/394?q=6a8b113 release-notes