Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in webclient of Siemens AG Polarion coul…

published 2019-11-27 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-5203

cvss: 3.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits: 0; none known

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in webclient of Siemens AG Polarion could allow an attacker to exploit a reflected XSS vulnerability. This issue affects: Siemens AG Polarion All versions < 19.2.

Patch / fix

fixed in 1

siemens polarion 19.2

Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

Siemens AG Polarion

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

xavibel.com /2019/11/25/siemens-polarion-multiple-web-vulnerabilities/
vendor-advisory

Sources

CVE List CVE-2019-13934
NVD CVE-2019-13934

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary