CVE-2026-11903: Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Progress MOVEit Transfer (Ad Hoc module). This issue affects MOVEit Transfer:

highCVSS 8CVE-2026-11903

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Progress MOVEit Transfer (Ad Hoc module). This issue affects MOVEit Transfer: from 2026.0.0 before 2026.0.1, from 2025.1.0 before 2025.1.4, from 2025.0.0 before 2025.0.8.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: high — CVSS 8
Published: 2026-07-08
Last updated: 2026-07-10
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-11903

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-119030.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-11903	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

unknownMultiple vulnerabilities in Progress MOVEit Transfer (July 10, 2026)cert-fr-avis
high[NEW] [high] Progress Software MOVEit: Multiple vulnerabilitiescert-bund
criticalProgress security advisory (AV26-678)cccs

Recent advisories for Improper neutralization of

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

unknownCVE-2026-58591: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerabi…nvd · 2026-07-10
unknownCVE-2026-58588: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerabi…nvd · 2026-07-10
unknownCVE-2026-58587: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerabi…nvd · 2026-07-10
unknownCVE-2026-55808: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerabi…nvd · 2026-07-10
unknownCVE-2026-15085: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerabi…nvd · 2026-07-10
unknownCVE-2026-15084: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerabi…nvd · 2026-07-10