CVE-2018-20933
CVE-2018-20933 is a medium-severity vulnerability in Cpanel 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: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Cpanel
- Published:
- Last modified:
Description
cPanel before 70.0.23 has Stored XSS via an WHM Edit DNS Zone action (SEC-410).
Frequently asked questions
- What is CVE-2018-20933?
- cPanel before 70.0.23 has Stored XSS via an WHM Edit DNS Zone action (SEC-410).
- How severe is CVE-2018-20933?
- CVE-2018-20933 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-2018-20933 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-20933?
- CVE-2018-20933 affects Cpanel. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-20933?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-20933 published?
- CVE-2018-20933 was published on 2019-08-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:*
More vulnerabilities in Cpanel
- CVE-2004-1770 — Critical (CVSS 10.0): The login page for cPanel 9.1.0, and possibly other versions, allows remote attackers to execute arbitrary code via…
- CVE-2004-1769 — Critical (CVSS 10.0): The "Allow cPanel users to reset their password via email" feature in cPanel 9.1.0 build 34 and earlier, including 8.x,…
- CVE-2003-1425 — Critical (CVSS 10.0): guestbook.cgi in cPanel 5.0 allows remote attackers to execute arbitrary commands via the template parameter.
- CVE-2026-41940 — Critical (CVSS 9.8): cPanel and WHM versions after 11.40 contain an authentication bypass vulnerability in the login flow that allows…
- CVE-2020-26108 — Critical (CVSS 9.8): cPanel before 88.0.13 mishandles file-extension dispatching, leading to code execution (SEC-488).
- CVE-2020-26105 — Critical (CVSS 9.8): In cPanel before 88.0.3, insecure chkservd test credentials are used on a templated VM (SEC-554).
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 →