CVE-2022-26263

U8\+ vulnerability

CVSS

6.1

EPSS

41.5%

EPSS pct

99th

Exploited

No known

Yonyou u8 v13.0 was discovered to contain a DOM-based cross-site scripting (XSS) vulnerability via the component /u8sl/WebHelp.

Affected vendor

Yonyou

Affected product

U8\+

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness type (CWE)

CWE-79 — Cross-Site Scripting (XSS)

Published

2022-03-25

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity.

Its EPSS score of 41.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2022-26263

Confirm whether Yonyou U8\+ is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2022-26263.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-26263

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-26263 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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