How severe is CVE-2019-19998?

CVE-2019-19998 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-19998 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19998?

CVE-2019-19998 affects Xiuno Xiunobbs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-19998?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-19998 published?

CVE-2019-19998 was published on 2019-12-26 and last updated on 2026-06-17.

CVE-2019-19998

CVE-2019-19998 is a high-severity vulnerability in Xiuno Xiunobbs with a CVSS 3.x base score of 7.5. 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-611.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Xiuno Xiunobbs
Published: 2019-12-26
Last modified: 2026-06-17

Description

Xiuno BBS 4.0 allows XXE via plugin/xn_wechat_public/route/token.php.

Frequently asked questions

What is CVE-2019-19998?: Xiuno BBS 4.0 allows XXE via plugin/xn_wechat_public/route/token.php.
How severe is CVE-2019-19998?: CVE-2019-19998 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-19998 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19998?: CVE-2019-19998 affects Xiuno Xiunobbs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-19998?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-19998 published?: CVE-2019-19998 was published on 2019-12-26 and last updated on 2026-06-17.

References

https://gitee.com/xiuno/xiunobbs/issues/I177MY

Affected products (1)

cpe:2.3:a:xiuno:xiunobbs:4.0:*:*:*:*:*:*:*

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