How severe is CVE-2020-20343?

CVE-2020-20343 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-20343 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-20343?

CVE-2020-20343 affects Wtcms Project Wtcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-20343?

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

When was CVE-2020-20343 published?

CVE-2020-20343 was published on 2021-09-01 and last updated on 2026-06-17.

CVE-2020-20343

CVE-2020-20343 is a medium-severity vulnerability in Wtcms Project Wtcms with a CVSS 3.x base score of 6.5. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Wtcms Project Wtcms
Published: 2021-09-01
Last modified: 2026-06-17

Description

WTCMS 1.0 contains a cross-site request forgery (CSRF) vulnerability in the index.php?g=admin&m=nav&a=add_post component that allows attackers to arbitrarily add articles in the administrator background.

Frequently asked questions

What is CVE-2020-20343?: WTCMS 1.0 contains a cross-site request forgery (CSRF) vulnerability in the index.php?g=admin&m=nav&a=add_post component that allows attackers to arbitrarily add articles in the administrator background.
How severe is CVE-2020-20343?: CVE-2020-20343 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-20343 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-20343?: CVE-2020-20343 affects Wtcms Project Wtcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-20343?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-20343 published?: CVE-2020-20343 was published on 2021-09-01 and last updated on 2026-06-17.

References

https://github.com/taosir/wtcms/issues/8

Affected products (1)

cpe:2.3:a:wtcms_project:wtcms:1.0:*:*:*:*:*:*:*

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