8.2

CVE-2016-1182: apache struts Improper Input Validation

CVSS: 8.2v3.0HighModified
AliasesCGA-89cr-vxxh-qc22CGA-gm42-qfr3-4f9rCGA-gxpx-vw45-mgmg
Published 04-07-2016Last modified 15-10-2026

Vulnerability summary

CVE-2016-1182 is a high (CVSS 8.2) Improper Input Validation vulnerability in apache struts. EPSS estimates a 25.74% chance of exploitation in the next 30 days, higher than 97.9% of scored vulnerabilities.

Overall risk
38/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.2/10
010
High · v3.0 (NVD)
EPSS score
25.74%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 04-07-2016
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

25.74%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 25.74% on 18-09-2026

18-09-202618-10-2026
EPSS score
25.74%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard3 products
  • hadoop-fips-3.3.6All versions (No fix recorded)
  • hadoop-fips-3.4.2All versions (No fix recorded)
  • hadoop-fips-3.5All versions (No fix recorded)
Apache1 product
  • strutsEOL1.0 | 1.0:beta1 | 1.0:beta2 | 1.0:beta3 | 1.0.1 | 1.0.2 | 1.1 | 1.1:b1 | 1.1:b2 | 1.1:b3 | 1.1:rc1 | 1.1:rc2 | 1.2.0 | 1.2.1 | 1.2.2 | 1.2.3 | 1.2.4 | 1.2.5 | 1.2.6 | 1.2.7 | 1.2.8 | 1.2.9 | 1.3.5 | 1.3.6 | 1.3.7 | 1.3.8 | 1.3.9 | 1.3.10
Org.apache.struts1 product
  • struts-core≤ 1.3.10
Struts1 product
  • struts≤ 1.2.9

4 vendors · 6 products

References

23 links
Show all 23 references