CVE-2026-0521
Reflected Cross-Site Scripting in PDF Export Error Message
- State
- Published
- Severity
- 5.6 Medium
- Published
- Feb 6, 2026
- Updated
- Feb 6, 2026
- Reserved
- Dec 17, 2025
Description
A reflected cross-site scripting (XSS) vulnerability in the PDF export functionality of the TYDAC AG MAP+ solution allows unauthenticated attackers to craft a malicious URL, that if visited by a victim, will execute arbitrary JavaScript in the victim's context. Such a URL could be delivered through various means, for instance, by sending a link or by tricking victims to visit a page crafted by the attacker.
This issue was verified in MAP+: 3.4.0.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.6 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | NCSC.ch |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
MAP+TYDAC AG |
|
References
- https://www.tydac.ch/en/mapplus/product
- https://www.redguard.ch/blog/2026/02/05/advisory-tydac-mapplus/third-party-advisorytechnical-description
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