How severe is CVE-2025-4018?

CVE-2025-4018 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-4018 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-4018?

CVE-2025-4018 affects Xxyopen Novel-plus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-4018?

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

Does CVE-2025-4018 have an EU (EUVD) identifier?

Yes. CVE-2025-4018 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12560.

When was CVE-2025-4018 published?

CVE-2025-4018 was published on 2025-04-28 and last updated on 2026-06-17.

CVE-2025-4018

CVE-2025-4018 is a medium-severity vulnerability in Xxyopen Novel-plus with a CVSS 3.x base score of 5.3. 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-306.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
CVSS v4: 6.9
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12560
Weakness: CWE-306
Affected product: Xxyopen Novel-plus
Published: 2025-04-28
Last modified: 2026-06-17

Description

A vulnerability, which was classified as critical, has been found in 20120630 Novel-Plus up to 0e156c04b4b7ce0563bef6c97af4476fcda8f160. This issue affects the function addCrawlSource of the file novel-crawl/src/main/java/com/java2nb/novel/controller/CrawlController.java. The manipulation leads to missing authentication. 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-2025-4018?: A vulnerability, which was classified as critical, has been found in 20120630 Novel-Plus up to 0e156c04b4b7ce0563bef6c97af4476fcda8f160. This issue affects the function addCrawlSource of the file novel-crawl/src/main/java/com/java2nb/novel/controller/CrawlController.java. The manipulation leads to missing authentication. 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-2025-4018?: CVE-2025-4018 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-4018 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-4018?: CVE-2025-4018 affects Xxyopen Novel-plus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-4018?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-4018 have an EU (EUVD) identifier?: Yes. CVE-2025-4018 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12560.
When was CVE-2025-4018 published?: CVE-2025-4018 was published on 2025-04-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:xxyopen:novel-plus:*:*:*:*:*:*:*:*

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