4.7

CVE-2016-9263: wordpress Improper Input Validation

CVSS: 4.7v3.0MediumModified
AliasesDEBIAN-CVE-2016-9263
Published 12-10-2017Last modified 06-08-2024

Vulnerability summary

CVE-2016-9263 is a medium (CVSS 4.7) Improper Input Validation vulnerability in wordpress. EPSS estimates a 2.17% chance of exploitation in the next 30 days, higher than 82% of scored vulnerabilities. Fixed in 3.7.25.

Overall risk
19/100
0100
Low · default modelHow is this calculated?
CVSS score
4.7/10
010
Medium · v3.0 (NVD)
EPSS score
2.17%
0%100%
Low · 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. 12-10-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

WordPress through 4.8.2, when domain-based flashmediaelement.swf sandboxing is not used, allows remote attackers to conduct cross-domain Flash injection (XSF) attacks by leveraging code contained within the wp-includes/js/mediaelement/flashmediaelement.swf file.

CVSS metrics

4 scores · 3 sources · 3 versions

EPSS trend

Probability

2.17%

Chance of exploitation in the next 30 days

Percentile

82%

Versus all other CVEs

30-day change

0.00 pp

From 2.17% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.17%

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

Wordpress2 products
  • wordpress< 3.7 (fixed in 3.7.25) | ≥ 3.7, ≤ 3.7.24 (fixed in 3.7.25) | ≥ 3.8, ≤ 3.8.24 (fixed in 3.7.25) | ≥ 3.9, ≤ 3.9.23 (fixed in 3.7.25) | ≥ 4.0, ≤ 4.0.21 (fixed in 3.7.25) | ≥ 4.1, ≤ 4.1.21 (fixed in 3.7.25) | ≥ 4.2, ≤ 4.2.18 (fixed in 3.7.25) | ≥ 4.3, ≤ 4.3.14 (fixed in 3.7.25) | ≥ 4.4, ≤ 4.4.13 (fixed in 3.7.25) | ≥ 4.5, ≤ 4.5.12 (fixed in 3.7.25) | ≥ 4.6, ≤ 4.6.9 (fixed in 3.7.25) | ≥ 4.7, ≤ 4.7.8 (fixed in 3.7.25) | ≥ 4.8, ≤ 4.8.4 (fixed in 3.7.25) | ≥ 4.9, ≤ 4.9.1 (fixed in 3.7.25)
  • wordpress≤ 4.8.2
Debian1 product
  • wordpress< 4.1+dfsg-1

2 vendors · 3 products

References

4 links