CVE-2019-13956

9.8 criticalEPSS 4.6%

Critical (9.8) in codersclub discuz\!ml. EPSS 4.6% chance of exploitation in the next 30 days.

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).

Severity

CVSS 3.0

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 4.6% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)
CWE: CWE-94
Published: 2019-07-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

codersclub:discuz\!ml

References

http://esoln.net/esoln/blog/2019/06/14/discuzml-v-3-x-code-injection-vulnerability/
http://esoln.net/esoln/blog/2019/06/14/discuzml-v-3-x-code-injection-vulnerability/

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