How severe is CVE-2020-23689?

CVE-2020-23689 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-23689 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-23689?

CVE-2020-23689 affects Yfcmf. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-23689?

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

When was CVE-2020-23689 published?

CVE-2020-23689 was published on 2021-05-14 and last updated on 2026-06-17.

CVE-2020-23689

CVE-2020-23689 is a medium-severity vulnerability in Yfcmf with a CVSS 3.x base score of 4.8. 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 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Yfcmf
Published: 2021-05-14
Last modified: 2026-06-17

Description

In YFCMF v2.3.1, there is a stored XSS vulnerability in the comments section of the news page.

Frequently asked questions

What is CVE-2020-23689?: In YFCMF v2.3.1, there is a stored XSS vulnerability in the comments section of the news page.
How severe is CVE-2020-23689?: CVE-2020-23689 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-23689 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-23689?: CVE-2020-23689 affects Yfcmf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-23689?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-23689 published?: CVE-2020-23689 was published on 2021-05-14 and last updated on 2026-06-17.

References

https://github.com/lxw1844912514/YFCMF/issues/2

Affected products (1)

cpe:2.3:a:yfcmf:yfcmf:2.3.1:*:*:*:*:*:*:*

More vulnerabilities in Yfcmf

CVE-2020-23691 — Critical (CVSS 9.8): YFCMF v2.3.1 has a Remote Command Execution (RCE) vulnerability in the index.php.
CVE-2018-16431 — High (CVSS 8.8): admin/admin/adminsave.html in YFCMF v3.0 allows CSRF to add an administrator account.

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