How severe is CVE-2018-20212?

CVE-2018-20212 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-2018-20212 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20212?

CVE-2018-20212 affects Twiki. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20212?

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

When was CVE-2018-20212 published?

CVE-2018-20212 was published on 2019-03-21 and last updated on 2026-06-17.

CVE-2018-20212

CVE-2018-20212 is a medium-severity vulnerability in Twiki 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)
CVSS v2: 4.3
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Twiki
Published: 2019-03-21
Last modified: 2026-06-17

Description

bin/statistics in TWiki 6.0.2 allows cross-site scripting (XSS) via the webs parameter.

Frequently asked questions

What is CVE-2018-20212?: bin/statistics in TWiki 6.0.2 allows cross-site scripting (XSS) via the webs parameter.
How severe is CVE-2018-20212?: CVE-2018-20212 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-2018-20212 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20212?: CVE-2018-20212 affects Twiki. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20212?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-20212 published?: CVE-2018-20212 was published on 2019-03-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:twiki:twiki:6.0.2:*:*:*:*:*:*:*

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