How severe is CVE-2025-3533?

CVE-2025-3533 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-3533 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3533?

CVE-2025-3533 affects Youdiancms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3533?

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

Does CVE-2025-3533 have an EU (EUVD) identifier?

Yes. CVE-2025-3533 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10906.

When was CVE-2025-3533 published?

CVE-2025-3533 was published on 2025-04-13 and last updated on 2026-06-17.

CVE-2025-3533

CVE-2025-3533 is a medium-severity vulnerability in Youdiancms with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 5.0
CVSS v4: 5.3
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10906
Weakness: CWE-79
Affected product: Youdiancms
Published: 2025-04-13
Last modified: 2026-06-17

Description

A vulnerability, which was classified as problematic, has been found in YouDianCMS 9.5.21. This issue affects some unknown processing of the file /App/Tpl/Admin/Default/Channel/index.html.Attackers. The manipulation of the argument Parent leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-3533?: A vulnerability, which was classified as problematic, has been found in YouDianCMS 9.5.21. This issue affects some unknown processing of the file /App/Tpl/Admin/Default/Channel/index.html.Attackers. The manipulation of the argument Parent leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-3533?: CVE-2025-3533 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-3533 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3533?: CVE-2025-3533 affects Youdiancms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3533?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-3533 have an EU (EUVD) identifier?: Yes. CVE-2025-3533 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10906.
When was CVE-2025-3533 published?: CVE-2025-3533 was published on 2025-04-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:youdiancms:youdiancms:9.5.21:*:*:*:*:*:*:*

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