CVE-2021-21275

Name: CVE-2021-21275
Creator: NVD / NIST
Published: 2021-01-25T23:15:11.887+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.72%

Last modified Jun 17, 2026

CVE-2021-21275 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS Probability

0.72%

49.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Report Project	Report	< 2021-01-21
Oracle	Communications Cloud Native Core Network Slice Selection Function	1.2.1
Oracle	Communications Pricing Design Center	12.0.0.4.0
Oracle	Communications Pricing Design Center	12.0.0.5.0

References

https://github.com/Kenny2github/Report/commit/f828dc6f73cdfaea5639edbf8ac7b326eeefb117Patch, Third Party Advisory
https://github.com/Kenny2github/Report/security/advisories/GHSA-9f3w-c334-jm2hPatch, Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlThird Party Advisory
https://github.com/Kenny2github/Report/commit/f828dc6f73cdfaea5639edbf8ac7b326eeefb117Patch, Third Party Advisory
https://github.com/Kenny2github/Report/security/advisories/GHSA-9f3w-c334-jm2hPatch, Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlThird Party Advisory

Timeline

Published: Jan 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-21275?

How severe is CVE-2021-21275?

CVE-2021-21275 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2021-21275?

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.

Are you affected by CVE-2021-21275?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST