CVE-2021-27558
CVE-2021-27558 is a medium-severity vulnerability in Easycorp Zentao 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% (53rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Easycorp Zentao
- Published:
- Last modified:
Description
A cross site scripting (XSS) issue in EasyCorp ZenTao 12.5.3 allows remote attackers to execute arbitrary web script via various areas such as data-link-creator.
Frequently asked questions
- What is CVE-2021-27558?
- A cross site scripting (XSS) issue in EasyCorp ZenTao 12.5.3 allows remote attackers to execute arbitrary web script via various areas such as data-link-creator.
- How severe is CVE-2021-27558?
- CVE-2021-27558 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-2021-27558 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-2021-27558?
- CVE-2021-27558 affects Easycorp Zentao. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-27558?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-27558 published?
- CVE-2021-27558 was published on 2021-08-31 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:easycorp:zentao:12.5.3:*:*:*:*:*:*:*
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