4.8

CVE-2022-42096: backdropcms backdrop_cms

Modified
Published 21-11-2022Last modified 29-04-2025

Vulnerability summary

CVE-2022-42096 is a medium (CVSS 4.8) vulnerability in backdropcms backdrop_cms. EPSS estimates a 2.21% chance of exploitation in the next 30 days, higher than 82.6% of scored vulnerabilities. 2 public exploits are recorded.

Priority
Routine

Not severe (CVSS 4.8, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.8/10
010
Medium · v3.1 (CVE.org)
EPSS score
2.21%
0%100%
Low · +0.12 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits2github, reference

Timeline

  1. 21-11-2022
    PublishedVulnerability first disclosed.
  2. 29-04-2025
    Last modifiedVulnerability information updated.

Description

Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability via Post content.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

2.21%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

Increase +0.12 pp

From 2.09% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

2 found
  • githubUnverified

    Cve 2022 42096

    Maturity: poc

  • referenceUnverified

    Exploit Reference (grimthereaperteam.medium.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, administrative account, user interaction (CVSS vector). Other conditions: not stated in public data.

Backdropcms1 product

1 vendor · 1 product

References

4 links