How severe is CVE-2021-20831?

CVE-2021-20831 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-20831 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-20831?

CVE-2021-20831 affects Og Tags Project Og Tags. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-20831?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-20831 published?

CVE-2021-20831 was published on 2021-10-13 and last updated on 2026-06-17.

CVE-2021-20831

CVE-2021-20831 is a high-severity vulnerability in Og Tags Project Og Tags with a CVSS 3.x base score of 8.8. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Og Tags Project Og Tags
Published: 2021-10-13
Last modified: 2026-06-17

Description

Cross-site request forgery (CSRF) vulnerability in OG Tags versions prior to 2.0.2 allows a remote attacker to hijack the authentication of administrators and unintended operation may be performed via unspecified vectors.

Frequently asked questions

What is CVE-2021-20831?: Cross-site request forgery (CSRF) vulnerability in OG Tags versions prior to 2.0.2 allows a remote attacker to hijack the authentication of administrators and unintended operation may be performed via unspecified vectors.
How severe is CVE-2021-20831?: CVE-2021-20831 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-20831 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-20831?: CVE-2021-20831 affects Og Tags Project Og Tags. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-20831?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-20831 published?: CVE-2021-20831 was published on 2021-10-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:og_tags_project:og_tags:*:*:*:*:*:wordpress:*:*

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