CVE-2019-13956

Name: CVE-2019-13956
Creator: NVD / NIST
Published: 2019-07-18T18:15:12.437+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.57%

Last modified Jun 17, 2026

CVE-2019-13956 is a vulnerability of currently unknown severity. Discuz!ML 3.2 through 3.4 allows remote attackers to execute arbitrary PHP code via a modified language cookie, as demonstrated by changing 4gH4_0df5_language=en to 4gH4_0df5_language=en'.phpinfo().'; (if the random prefix 4gH4_0df5_ were used).. EPSS estimates a 4.57% chance of exploitation in the next 30 days.

Description

Discuz!ML 3.2 through 3.4 allows remote attackers to execute arbitrary PHP code via a modified language cookie, as demonstrated by changing 4gH4_0df5_language=en to 4gH4_0df5_language=en'.phpinfo().'; (if the random prefix 4gH4_0df5_ were used).

Metrics

EPSS Probability

4.57%

90.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Codersclub	Discuz\!Ml	>= 3.2, <= 3.4

References

http://esoln.net/esoln/blog/2019/06/14/discuzml-v-3-x-code-injection-vulnerability/Exploit, Third Party Advisory
http://esoln.net/esoln/blog/2019/06/14/discuzml-v-3-x-code-injection-vulnerability/Exploit, Third Party Advisory

Timeline

Published: Jul 18, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-13956?

How severe is CVE-2019-13956?

Severity scoring for CVE-2019-13956 is pending analysis. The EPSS model estimates a 4.57% probability of exploitation in the next 30 days.

How do I fix CVE-2019-13956?

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-2019-13956?

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

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Source: NVD / NIST