CVE-2021-27558
MEDIUMCVSS 6.1/10EPSS 0.84%
Last modified
CVE-2021-27558 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.84% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Easycorp | Zentao | 12.5.3 |
References
- https://privasec.com/blog/zentao-cms-a-monkeys-journey-to-priv-esc-remote-code-execution/Exploit, Third Party Advisory
- https://privasec.com/blog/zentao-cms-a-monkeys-journey-to-priv-esc-remote-code-execution/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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 score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27558?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-27545SQL Injection in the "add-services.php" component of PHPGuru…6.5
- CVE-2021-27548There is a Null Pointer Dereference vulnerability in the XFA…5.5
- CVE-2021-27549Genymotion Desktop through 3.2.0 leaks the host's clipboard …5.3
- CVE-2021-27550Polaris Office v9.102.66 is affected by a divide-by-zero err…5.5
- CVE-2021-27556The Cron job tab in EasyCorp ZenTao 12.5.3 allows remote att…7.2
- CVE-2021-27557A cross-site request forgery (CSRF) vulnerability in the Cro…4.3
- CVE-2021-27559The Contact page in Monica 2.19.1 allows stored XSS via the …5.4
- CVE-2021-27561Yealink Device Management (DM) 3.6.0.20 allows command injec…9.8
- CVE-2021-27562In Arm Trusted Firmware M through 1.2, the NS world may trig…5.5
- CVE-2021-27564A stored XSS issue exists in Appspace 6.2.4. After a user is…5.4
- CVE-2021-27565The web server in InterNiche NicheStack through 4.0.1 allows…7.5
- CVE-2021-27568An issue was discovered in netplex json-smart-v1 through 201…5.9
Are you affected by CVE-2021-27558?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST