CVE-2023-31544

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-05-16 · updated 2026-06-17
Weakness: CWE-79

Description

A stored cross-site scripting (XSS) vulnerability in alkacon-OpenCMS v11.0.0.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Title field under the Upload Image module.

Affected products

Alkacon OpenCms: 11.0, 11.0-beta, 11.0-beta2, 11.0-rc

References

https://github.com/alkacon/opencms-core/commit/21bfbeaf6b038e2c03bb421ce7f0933dd7a7633e
https://github.com/alkacon/opencms-core/issues/652
https://github.com/alkacon/opencms-core/commit/21bfbeaf6b038e2c03bb421ce7f0933dd7a7633e
https://github.com/alkacon/opencms-core/issues/652

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