SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-1182

ActionServlet.java in Apache Struts 1 1.x through 1.3.10 does not properly restrict the Validator configuration, which allows remote attackers to conduct cross-site scripting (XSS) attacks or cause a denial of service via crafted input, a related issue…

HIGH 8.2EPSS 25.7%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 25.7%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

ActionServlet.java in Apache Struts 1 1.x through 1.3.10 does not properly restrict the Validator configuration, which allows remote attackers to conduct cross-site scripting (XSS) attacks or cause a denial of service via crafted input, a related issue to CVE-2015-0899.

CVSS 3.0
8.2 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
EPSS
25.74% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-20
Affected
apache/struts
Source
vultures@jpcert.or.jp
EPSS trend
0%15%30%21 September 2026: 22.72%22 September 2026: 25.74%26 October 2026: 25.74%21 September 202626 October 2026

EPSS moved from 22.7% on 21 September 2026 to 25.7% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.