CVE-2018-19620
CVE-2018-19620 is a medium-severity vulnerability in Showdoc with a CVSS 3.x base score of 4.3. 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-425.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- CVSS v2: 4.0
- EPSS exploit prediction: 1% (66th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-425
- Affected product: Showdoc
- Published:
- Last modified:
Description
ShowDoc 2.4.1 allows remote attackers to edit other users' notes by navigating with a modified page_id.
Frequently asked questions
- What is CVE-2018-19620?
- ShowDoc 2.4.1 allows remote attackers to edit other users' notes by navigating with a modified page_id.
- How severe is CVE-2018-19620?
- CVE-2018-19620 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2018-19620 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-19620?
- CVE-2018-19620 affects Showdoc. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-19620?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-19620 published?
- CVE-2018-19620 was published on 2018-11-28 and last updated on 2026-06-17.
References
- https://github.com/CCCCCrash/POCs/tree/master/Web/showdoc/IncorrectAccessControl#0x02-modify
- https://github.com/star7th/showdoc/commit/bcdb5e3519285bdf81e618b3c9b90d22bc49e13c
- https://github.com/star7th/showdoc/issues/397
Affected products (1)
- cpe:2.3:a:showdoc:showdoc:2.4.1:*:*:*:*:*:*:*
More vulnerabilities in Showdoc
- CVE-2022-0362 — Critical (CVSS 9.8): SQL Injection in Packagist showdoc/showdoc prior to 2.10.3.
- CVE-2021-41745 — Critical (CVSS 9.8): ShowDoc 2.8.3 ihas a file upload vulnerability, where attackers can use the vulnerability to obtain server permissions.
- CVE-2021-36440 — Critical (CVSS 9.8): Unrestricted File Upload in ShowDoc v2.9.5 allows remote attackers to execute arbitrary code via the 'file_url'…
- CVE-2021-4168 — High (CVSS 8.8): showdoc is vulnerable to Cross-Site Request Forgery (CSRF)
- CVE-2021-4017 — High (CVSS 8.8): showdoc is vulnerable to Cross-Site Request Forgery (CSRF)
- CVE-2022-0409 — High (CVSS 7.8): Unrestricted Upload of File with Dangerous Type in Packagist showdoc/showdoc prior to 2.10.2.
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- CVE-2022-26279 — Critical (CVSS 9.8): EyouCMS v1.5.5 was discovered to have no access control in the component /data/sqldata.
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