What is CVE-2026-71454?
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in CWE-79 - Cross-site Scripting CAPEC-63 allows Cross-Site Scripting (XSS). This issue affects CAPEC-63: before 3.0b63.
The record classifies CVE-2026-71454 under weakness class CWE-79. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 4 days ago.
Severity and exploitation probability
- CVSS v4.0 base score
- 5.8 — Medium (derived from score)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:H/SI:H/SA:H/E:P - EPSS (FIRST)
- 0.2% probability of exploitation in the next 30 days, higher than 12.5% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 3.4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-10-01, last modified 2026-10-02
Is CVE-2026-71454 being exploited?
It currently carries a trending score of 32 in the Threadlinqs vulnerability feed.
Affected products and versions
- CWE-79 - Cross-site Scripting: CAPEC-63
How to fix CVE-2026-71454
No vendor patch reference has been recorded for CVE-2026-71454 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-71454
No threat campaign in the Threadlinqs corpus currently references CVE-2026-71454, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.
Sources
Enriched from CVE.org, NVD, FIRST EPSS. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.