How severe is CVE-2021-25010?

CVE-2021-25010 has a CVSS 3.x base score of 9.6, rated critical 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-2021-25010 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25010?

CVE-2021-25010 affects Postsnippets Post Snippets. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25010?

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

When was CVE-2021-25010 published?

CVE-2021-25010 was published on 2022-02-28 and last updated on 2026-06-17.

CVE-2021-25010

CVE-2021-25010 is a critical-severity vulnerability in Postsnippets Post Snippets with a CVSS 3.x base score of 9.6. 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: Critical (CVSS 3.x base score 9.6)
CVSS v2: 6.8
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Postsnippets Post Snippets
Published: 2022-02-28
Last modified: 2026-06-17

Description

The Post Snippets WordPress plugin before 3.1.4 does not have CSRF check when importing files, allowing attacker to make a logged In admin import arbitrary snippets. Furthermore, imported snippers are not sanitised and escaped, which could lead to Stored Cross-Site Scripting issues

Frequently asked questions

What is CVE-2021-25010?: The Post Snippets WordPress plugin before 3.1.4 does not have CSRF check when importing files, allowing attacker to make a logged In admin import arbitrary snippets. Furthermore, imported snippers are not sanitised and escaped, which could lead to Stored Cross-Site Scripting issues
How severe is CVE-2021-25010?: CVE-2021-25010 has a CVSS 3.x base score of 9.6, rated critical 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-2021-25010 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25010?: CVE-2021-25010 affects Postsnippets Post Snippets. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25010?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-25010 published?: CVE-2021-25010 was published on 2022-02-28 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/d1ebd15a-72ab-4ba2-a212-7e2eea0b0fb0

Affected products (1)

cpe:2.3:a:postsnippets:post_snippets:*:*:*:*:*:wordpress:*:*

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