How severe is CVE-2022-26263?

CVE-2022-26263 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-26263 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26263?

CVE-2022-26263 affects Yonyou U8+. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26263?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-26263 published?

CVE-2022-26263 was published on 2022-03-25 and last updated on 2026-07-05.

CVE-2022-26263

CVE-2022-26263 is a medium-severity vulnerability in Yonyou U8+ with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 38% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 38% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Yonyou U8+
Published: 2022-03-25
Last modified: 2026-07-05

Description

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

Frequently asked questions

What is CVE-2022-26263?: Yonyou u8 v13.0 was discovered to contain a DOM-based cross-site scripting (XSS) vulnerability via the component /u8sl/WebHelp.
How severe is CVE-2022-26263?: CVE-2022-26263 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-26263 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 38% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26263?: CVE-2022-26263 affects Yonyou U8+. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26263?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-26263 published?: CVE-2022-26263 was published on 2022-03-25 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:a:yonyou:u8\+:13.0:*:*:*:*:*:*:*

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