CVE-2020-21333
CVE-2020-21333 is a medium-severity vulnerability in Publiccms with a CVSS 3.x base score of 5.4. 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 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 0% (38th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Publiccms
- Published:
- Last modified:
Description
Cross Site Scripting (XSS) vulnerability in PublicCMS 4.0 to get an admin cookie when the Administrator reviews submit case.
Frequently asked questions
- What is CVE-2020-21333?
- Cross Site Scripting (XSS) vulnerability in PublicCMS 4.0 to get an admin cookie when the Administrator reviews submit case.
- How severe is CVE-2020-21333?
- CVE-2020-21333 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2020-21333 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-21333?
- CVE-2020-21333 affects Publiccms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-21333?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-21333 published?
- CVE-2020-21333 was published on 2021-07-09 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:publiccms:publiccms:4.0:*:*:*:*:*:*:*
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