How severe is CVE-2021-25118?

CVE-2021-25118 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-25118 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25118?

CVE-2021-25118 affects Yoast Yoast Seo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25118?

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

When was CVE-2021-25118 published?

CVE-2021-25118 was published on 2022-02-28 and last updated on 2026-06-17.

CVE-2021-25118

CVE-2021-25118 is a medium-severity vulnerability in Yoast Yoast Seo with a CVSS 3.x base score of 5.3. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Yoast Yoast Seo
Published: 2022-02-28
Last modified: 2026-06-17

Description

The Yoast SEO WordPress plugin (from versions 16.7 until 17.2) discloses the full internal path of featured images in posts via the wp/v2/posts REST endpoints which could help an attacker identify other vulnerabilities or help during the exploitation of other identified vulnerabilities.

Frequently asked questions

What is CVE-2021-25118?: The Yoast SEO WordPress plugin (from versions 16.7 until 17.2) discloses the full internal path of featured images in posts via the wp/v2/posts REST endpoints which could help an attacker identify other vulnerabilities or help during the exploitation of other identified vulnerabilities.
How severe is CVE-2021-25118?: CVE-2021-25118 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-25118 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25118?: CVE-2021-25118 affects Yoast Yoast Seo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25118?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25118 published?: CVE-2021-25118 was published on 2022-02-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:yoast:yoast_seo:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Yoast Yoast Seo

CVE-2019-13478 — Critical (CVSS 9.8): The Yoast SEO plugin before 11.6-RC5 for WordPress does not properly restrict unfiltered HTML in term descriptions.
CVE-2023-32300 — High (CVSS 7.1): Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Yoast Yoast SEO: Local plugin <= 14.8 versions.
CVE-2018-19370 — Medium (CVSS 6.6): A Race condition vulnerability in unzip_file in admin/import/class-import-settings.php in the Yoast SEO (wordpress-seo)…
CVE-2023-28785 — Medium (CVSS 6.5): Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in Yoast Yoast SEO: Local plugin <= 14.9 versions.
CVE-2021-31779 — Medium (CVSS 6.4): The yoast_seo (aka Yoast SEO) extension before 7.2.1 for TYPO3 allows SSRF via a backend user account.
CVE-2023-40680 — Medium (CVSS 5.9): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Team Yoast Yoast…

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