What’s Vulnerable › Vulnerabilities

CVE-2021-21275: CSRF in MediaWiki Report extension

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-01-25 · updated 2026-06-17
• Weakness: CWE-352

Description

The MediaWiki "Report" extension has a Cross-Site Request Forgery (CSRF) vulnerability. Before fixed version, there was no protection against CSRF checks on Special:Report, so requests to report a revision could be forged. The problem has been fixed in commit f828dc6 by making use of MediaWiki edit tokens.

Affected products

• Oracle Communications Cloud Native Core Network Slice Selection Function: 1.2.1
• Oracle Corporation Communications Pricing Design Center: 12.0.0.4.0, 12.0.0.5.0
• Report Project Report: before 2021-01-21 — fixed in 2021-01-21

How to fix

Upgrade to a fixed version: Report Project Report 2021-01-21. Check the vendor advisory for mitigations.

References

• https://github.com/Kenny2github/Report/commit/f828dc6f73cdfaea5639edbf8ac7b326eeefb117
• https://github.com/Kenny2github/Report/security/advisories/GHSA-9f3w-c334-jm2h
• https://www.oracle.com//security-alerts/cpujul2021.html
• https://www.oracle.com/security-alerts/cpuapr2022.html
• https://github.com/Kenny2github/Report/commit/f828dc6f73cdfaea5639edbf8ac7b326eeefb117
• https://github.com/Kenny2github/Report/security/advisories/GHSA-9f3w-c334-jm2h
• https://www.oracle.com//security-alerts/cpujul2021.html
• https://www.oracle.com/security-alerts/cpuapr2022.html

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