CVE-2020-15275

Public Exploit
malicious SVG attachment causing stored XSS vulnerability in MoinMoin

Description

MoinMoin is a wiki engine. In MoinMoin before version 1.9.11, an attacker with write permissions can upload an SVG file that contains malicious javascript. This javascript will be executed in a user's browser when the user is viewing that SVG file on the wiki. Users are strongly advised to upgrade to a patched version. MoinMoin Wiki 1.9.11 has the necessary fixes and also contains other important fixes.

Category

8.7
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.30%
Third-Party Advisory checkmarx.net Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: moinwiki moin-1.9
Published at:
Updated at:

References

Link Tags
https://github.com/moinwiki/moin-1.9/security/advisories/GHSA-4q96-6xhq-ff43 third party advisory
https://github.com/moinwiki/moin-1.9/releases/tag/1.9.11 third party advisory release notes
https://github.com/moinwiki/moin-1.9/commit/31de9139d0aabc171e94032168399b4a0b2a88a2 third party advisory patch
https://advisory.checkmarx.net/advisory/CX-2020-4285 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-15275?
CVE-2020-15275 has been scored as a high severity vulnerability.
How to fix CVE-2020-15275?
To fix CVE-2020-15275, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-15275 being actively exploited in the wild?
It is possible that CVE-2020-15275 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-15275?
CVE-2020-15275 affects moinwiki moin-1.9.
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