How severe is CVE-2020-26563?

CVE-2020-26563 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-26563 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26563?

CVE-2020-26563 affects Objectplanet Opinio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-26563?

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

When was CVE-2020-26563 published?

CVE-2020-26563 was published on 2021-07-30 and last updated on 2026-06-17.

CVE-2020-26563

CVE-2020-26563 is a medium-severity vulnerability in Objectplanet Opinio with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Objectplanet Opinio
Published: 2021-07-30
Last modified: 2026-06-17

Description

ObjectPlanet Opinio before 7.14 allows reflected XSS via the survey/admin/surveyAdmin.do?action=viewSurveyAdmin query string. (There is also stored XSS if input to survey/admin/*.do is accepted from untrusted users.)

Frequently asked questions

What is CVE-2020-26563?: ObjectPlanet Opinio before 7.14 allows reflected XSS via the survey/admin/surveyAdmin.do?action=viewSurveyAdmin query string. (There is also stored XSS if input to survey/admin/*.do is accepted from untrusted users.)
How severe is CVE-2020-26563?: CVE-2020-26563 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-26563 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26563?: CVE-2020-26563 affects Objectplanet Opinio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-26563?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-26563 published?: CVE-2020-26563 was published on 2021-07-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:objectplanet:opinio:*:*:*:*:*:*:*:*

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