CVE-2018-8815
Cross-site scripting (XSS) vulnerability in the gallery function in Alkacon OpenCMS 10.5.3 allows remote attackers to inject arbitrary web script or HTML via a malicious SVG image.
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 1.3%. Treat it as high on anything reachable from the internet.
Description
Cross-site scripting (XSS) vulnerability in the gallery function in Alkacon OpenCMS 10.5.3 allows remote attackers to inject arbitrary web script or HTML via a malicious SVG image.
- CVSS 3.0
- 4.6 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
- EPSS
- 1.33% probability · 71th percentile
- Public exploits
- 1 in Exploit-DB · first 2 April 2018
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- alkacon/opencms
- Source
- cve@mitre.org
EPSS 1.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://github.com/alkacon/opencms-core/issues/587Exploit, Third Party Advisory
- https://www.exploit-db.com/exploits/44392/Exploit, Third Party Advisory, VDB Entry
- https://github.com/alkacon/opencms-core/issues/587Exploit, Third Party Advisory
- https://www.exploit-db.com/exploits/44392/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.