CVE-2018-17421
CVE-2018-17421 is a medium-severity vulnerability in Zrlog 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% (54th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Zrlog
- Published:
- Last modified:
Description
An issue was discovered in ZrLog 2.0.3. There is stored XSS in the file upload area via a crafted attached/file/ pathname.
Frequently asked questions
- What is CVE-2018-17421?
- An issue was discovered in ZrLog 2.0.3. There is stored XSS in the file upload area via a crafted attached/file/ pathname.
- How severe is CVE-2018-17421?
- CVE-2018-17421 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-2018-17421 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-17421?
- CVE-2018-17421 affects Zrlog. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-17421?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-17421 published?
- CVE-2018-17421 was published on 2019-03-07 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:zrlog:zrlog:2.0.3:*:*:*:*:*:*:*
More vulnerabilities in Zrlog
- CVE-2025-45872 — Critical (CVSS 9.8): zrlog v3.1.5 was discovered to contain a Server-Side Request Forgery (SSRF) via the downloadUrl parameter.
- CVE-2021-44093 — Critical (CVSS 9.8): A Remote Command Execution vulnerability on the background in zrlog 2.2.2, at the upload avatar function, could bypass…
- CVE-2020-27514 — Critical (CVSS 9.1): Directory Traversal vulnerability in delete function in admin.api.TemplateController in ZrLog version 2.1.15, allows…
- CVE-2021-44094 — High (CVSS 7.8): ZrLog 2.2.2 has a remote command execution vulnerability at plugin download function, it could execute any JAR file
- CVE-2018-17420 — High (CVSS 7.2): An issue was discovered in ZrLog 2.0.3. There is a SQL injection vulnerability in the article management search box via…
- CVE-2020-21052 — Medium (CVSS 6.1): Cross Site Scripting vulnerability in zrlog zrlog v.2.1.3 allows a remote attacker to execute arbitrary code via the…
Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities
- CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
- CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
- CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
- CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
- CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
- CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…
Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →