How severe is CVE-2020-12071?

CVE-2020-12071 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-2020-12071 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12071?

CVE-2020-12071 affects Anchorcms Anchor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-12071?

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

When was CVE-2020-12071 published?

CVE-2020-12071 was published on 2020-04-23 and last updated on 2026-06-17.

CVE-2020-12071

CVE-2020-12071 is a medium-severity vulnerability in Anchorcms Anchor 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% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Anchorcms Anchor
Published: 2020-04-23
Last modified: 2026-06-17

Description

Anchor 0.12.7 allows admins to cause XSS via crafted post content.

Frequently asked questions

What is CVE-2020-12071?: Anchor 0.12.7 allows admins to cause XSS via crafted post content.
How severe is CVE-2020-12071?: CVE-2020-12071 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-2020-12071 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12071?: CVE-2020-12071 affects Anchorcms Anchor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-12071?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-12071 published?: CVE-2020-12071 was published on 2020-04-23 and last updated on 2026-06-17.

References

https://github.com/anchorcms/anchor-cms/issues/1333

Affected products (1)

cpe:2.3:a:anchorcms:anchor:0.12.7:*:*:*:*:*:*:*

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