8.8

CVE-2026-76789: unknown slider hero with video background, animation Cross-site Scripting

CVSS: 8.8v3.1HighDeferred
Published 22-08-2026Last modified 23-08-2026
Open JSON

Vulnerability summary

CVE-2026-76789 is a high (CVSS 8.8) Cross-site Scripting vulnerability in unknown slider hero with video background, animation. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 41.8% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 9.1.3.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.51%
0%100%
Low · +0.17 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 22-08-2026
    PublishedVulnerability first disclosed.
  2. 23-08-2026
    Last modifiedVulnerability information updated.

Description

The Slider Hero with Video Background, Animation WordPress plugin before 9.1.3 does not have authorisation and nonce checks on two of its request handlers, and does not escape a stored setting before outputting it, allowing unauthenticated users to store malicious JavaScript which will be executed in the context of an administrator viewing the Slider Hero with Video Background, Animation WordPress plugin before 9.1.3's admin area, as well as any visitor of a page embedding a slider.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.51%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

+0.17 pp

From 0.34% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.51%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Unknown1 product
Wordpress1 product
  • slider-hero< 9.1.3

2 vendors · 2 products

References

2 links