How severe is CVE-2021-26256?

CVE-2021-26256 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2021-26256 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-26256?

CVE-2021-26256 affects Ays-pro Survey Maker. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-26256?

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

When was CVE-2021-26256 published?

CVE-2021-26256 was published on 2022-02-21 and last updated on 2026-06-17.

CVE-2021-26256

CVE-2021-26256 is a medium-severity vulnerability in Ays-pro Survey Maker with a CVSS 3.x base score of 4.7. 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 4.7)
CVSS v2: 4.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Ays-pro Survey Maker
Published: 2022-02-21
Last modified: 2026-06-17

Description

Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability discovered in Survey Maker WordPress plugin (versions <= 2.0.6).

Frequently asked questions

What is CVE-2021-26256?: Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability discovered in Survey Maker WordPress plugin (versions <= 2.0.6).
How severe is CVE-2021-26256?: CVE-2021-26256 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2021-26256 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26256?: CVE-2021-26256 affects Ays-pro Survey Maker. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-26256?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-26256 published?: CVE-2021-26256 was published on 2022-02-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ays-pro:survey_maker:*:*:*:*:*:wordpress:*:*

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