How severe is CVE-2020-19914?

CVE-2020-19914 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-2020-19914 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-19914?

CVE-2020-19914 affects Xiuno Xiunobbs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-19914?

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

When was CVE-2020-19914 published?

CVE-2020-19914 was published on 2022-09-07 and last updated on 2026-06-17.

CVE-2020-19914

CVE-2020-19914 is a medium-severity vulnerability in Xiuno Xiunobbs with a CVSS 3.x base score of 6.1. 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 6.1)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Xiuno Xiunobbs
Published: 2022-09-07
Last modified: 2026-06-17

Description

Cross Site Scripting (XSS) in xiunobbs 4.0.4 allows remote attackers to execute arbitrary web script or HTML via the attachment upload function.

Frequently asked questions

What is CVE-2020-19914?: Cross Site Scripting (XSS) in xiunobbs 4.0.4 allows remote attackers to execute arbitrary web script or HTML via the attachment upload function.
How severe is CVE-2020-19914?: CVE-2020-19914 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-2020-19914 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-19914?: CVE-2020-19914 affects Xiuno Xiunobbs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-19914?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-19914 published?: CVE-2020-19914 was published on 2022-09-07 and last updated on 2026-06-17.

References

https://kevinoclam.github.io/blog/2019/07/31/xiunobbs-upload/

Affected products (1)

cpe:2.3:a:xiuno:xiunobbs:4.0.4:*:*:*:*:*:*:*

More vulnerabilities in Xiuno Xiunobbs

CVE-2019-19998 — High (CVSS 7.5): Xiuno BBS 4.0 allows XXE via plugin/xn_wechat_public/route/token.php.
CVE-2020-21496 — Medium (CVSS 6.1): A cross-site scripting (XSS) vulnerability in the component /admin/?setting-base.htm of Xiuno BBS 4.0.4 allows…
CVE-2020-21495 — Medium (CVSS 6.1): A cross-site scripting (XSS) vulnerability in the component /admin/?setting-base.htm of Xiuno BBS 4.0.4 allows…
CVE-2020-21494 — Medium (CVSS 6.1): A cross-site scripting (XSS) vulnerability in the component install\install.sql of Xiuno BBS 4.0.4 allows attackers to…
CVE-2018-15559 — Medium (CVSS 6.1): The editor in Xiuno BBS 4.0.4 allows stored XSS.
CVE-2020-21493 — Medium (CVSS 5.3): An issue in the component route\user.php of Xiuno BBS v4.0.4 allows attackers to enumerate usernames.

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