CVE-2022-4721

mediumpriority · track · 22EPSS 0.005 · 44 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.52% (44th) EPSS

CVSS 5.4 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in GitHub repository ikus060/rdiffweb prior to 2.5.5.

cvss

Technical severity, 0–10. One row per scoring source.

6.6

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.5

v3.06.6mediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Hsecondary · ENISA EU

v3.06.6mediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Hsecondary · security@huntr.devexploitability 1.8 · impact 4.7

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:Nsecondary · OSV

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-75USCWE-75US

affected products (3)

Products and version ranges known to be affected.

ikus060 ikus060/rdiffwebunspecified → 2.5.5enisa_euvdEU
ikus-soft rdiffweb< 2.5.5nvdUScpe:2.3:a:ikus-soft:rdiffweb:*:*:*:*:*:*:*:*
PyPI rdiffweb< 2.5.5osvUSpkg:pypi/rdiffweb

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-83pm-7v48-5jp4rdiffweb vulnerable to Special Element Injection2022-12-27ghsa · osvUS
In rdiffweb prior to 2.5.5, lack of sanitisation of characters in SSH key name could allow attacker to inject a hyperlink injection that could allow attacker to redirect victim to malicious websites.
PYSEC-2022-430072022-12-27vendor · osvUS
Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in GitHub repository ikus060/rdiffweb prior to 2.5.5.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2022-12-27modified 2026-06-17

references (8)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan