How serious is CVE-2026-2677?

This vulnerability has a CVSS score of 4.8 out of 10, classified as MEDIUM severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2026-2677?

Yes, proof-of-concept exploit code for CVE-2026-2677 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2026-2677?

CVE-2026-2677 affects wolterskluwer a3factura. Check the full CVE details for specific version information.

How do I fix CVE-2026-2677?

To remediate CVE-2026-2677, check for security patches from wolterskluwer. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2026-2677

Medium

|4.8

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker to run malicious code in a victim's web browser when they visit a specific page on the A3factura platform. To exploit this, the attacker needs to trick the victim into clicking a link that includes a specially crafted parameter.

Technical Description

Reflected Cross-Site Scripting (XSS) on the A3factura web platform, in parameter 'name', in 'a3factura-app.wolterskluwer.es/#/incomes/representatives-management' endpoint, which could allow an attacker to execute arbitrary code in the victim's browser.

CVSS Vector Analysis

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

Confidentiality ImpactHigh

Integrity ImpactHigh

Availability ImpactHigh

ScopeChanged

Vector String

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$638($500-$1K)

Vendor Response

Grade APatched in 4 days

Quick Information

Published

Feb 26, 2026

about 1 month ago

Last Modified

Mar 2, 2026

about 1 month ago

Vendor

wolterskluwer

Product

a3factura

Related Vulnerabilities

CVE-2026-2680Medium

This vulnerability allows an attacker to run malicious code in a victim's web browser by tricking them into clicking a specially crafted link that includes a harmful VAT number. It requires the victim to visit a specific page on the A3factura platform, making it a risk primarily for users who interact with that site.

CVE-2026-2679Medium

This vulnerability allows an attacker to run malicious code in a victim's web browser by exploiting a flaw in the A3factura platform when the victim visits a specific URL with a manipulated customer name. The attacker needs to trick the victim into clicking on a specially crafted link that includes this altered parameter.

CVE-2026-2678Medium

An attacker can exploit a vulnerability in the A3factura web platform to run malicious code in a victim's browser by tricking them into clicking a specially crafted link that includes harmful input in the 'name' parameter. This requires the victim to visit the manipulated link, which could lead to unauthorized actions or data theft.