CVE-2026-1493: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') in Wolters Kluwer Polska LEX Baza Dokumentów
LEX Baza Dokumentów from Wolters Kluwer Polska is affected by a DOM-based Cross-site Scripting (XSS) vulnerability in the 'em' cookie parameter. This vulnerability allows unsafe client-side processing of the cookie, enabling an attacker who can set this cookie to execute arbitrary JavaScript in the victim's browser context. The vendor has acknowledged this issue and released a security patch in version 1. 3. 4. The risk is considered minimal since exploitation requires the ability to set a cookie, which limits the attack surface. The vulnerability has a CVSS 4. 6 (medium) severity rating.
AI Analysis
Technical Summary
CVE-2026-1493 is a DOM-based XSS vulnerability in Wolters Kluwer Polska's LEX Baza Dokumentów product. The vulnerability arises from improper neutralization of input in the 'em' cookie parameter, which is processed unsafely on the client side. An attacker capable of setting this cookie can execute arbitrary JavaScript code in the context of the victim's browser. The vendor fixed this issue in version 1.3.4, addressing the unsafe handling of the cookie parameter.
Potential Impact
Successful exploitation allows execution of arbitrary JavaScript in the victim's browser, potentially leading to session hijacking or other client-side attacks. However, the impact is limited because the attacker must be able to set the 'em' cookie, which restricts the attack vector. The vendor rates the risk as minimal despite the medium CVSS score.
Mitigation Recommendations
A security patch addressing this vulnerability is available in LEX Baza Dokumentów version 1.3.4. Users should upgrade to this version to remediate the issue. Since the vendor has released an official fix, applying this update is the recommended mitigation.
CVE-2026-1493: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') in Wolters Kluwer Polska LEX Baza Dokumentów
Description
LEX Baza Dokumentów from Wolters Kluwer Polska is affected by a DOM-based Cross-site Scripting (XSS) vulnerability in the 'em' cookie parameter. This vulnerability allows unsafe client-side processing of the cookie, enabling an attacker who can set this cookie to execute arbitrary JavaScript in the victim's browser context. The vendor has acknowledged this issue and released a security patch in version 1. 3. 4. The risk is considered minimal since exploitation requires the ability to set a cookie, which limits the attack surface. The vulnerability has a CVSS 4. 6 (medium) severity rating.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-1493 is a DOM-based XSS vulnerability in Wolters Kluwer Polska's LEX Baza Dokumentów product. The vulnerability arises from improper neutralization of input in the 'em' cookie parameter, which is processed unsafely on the client side. An attacker capable of setting this cookie can execute arbitrary JavaScript code in the context of the victim's browser. The vendor fixed this issue in version 1.3.4, addressing the unsafe handling of the cookie parameter.
Potential Impact
Successful exploitation allows execution of arbitrary JavaScript in the victim's browser, potentially leading to session hijacking or other client-side attacks. However, the impact is limited because the attacker must be able to set the 'em' cookie, which restricts the attack vector. The vendor rates the risk as minimal despite the medium CVSS score.
Mitigation Recommendations
A security patch addressing this vulnerability is available in LEX Baza Dokumentów version 1.3.4. Users should upgrade to this version to remediate the issue. Since the vendor has released an official fix, applying this update is the recommended mitigation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CERT-PL
- Date Reserved
- 2026-01-27T14:52:25.033Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f3423bcbff5d8610d6429c
Added to database: 4/30/2026, 11:51:23 AM
Last enriched: 4/30/2026, 12:06:29 PM
Last updated: 4/30/2026, 1:21:22 PM
Views: 4
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