CVE-2022-4514Public exploitNetwork attack vector

Reflected XSS via unescaped login redirect parameter

Published Dec 15, 2022 · Updated Apr 15, 2025

Cross-site scripting in Opencaching Deutschland oc-server3 allows remote authenticated users to run script in another user's browser via varvalue. The varset.inc.php request loop allowlists parameter names but appends each unencoded value to the login target URL, permitting markup and script injection. Low-privileged access is required, and a victim must follow the crafted flow before the injected script executes in that victim's browser.

CVSS severity3.5
Low
EPSS probability0.56%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Opencaching Deutschland oc-server3 allows remote authenticated users to run script in another user's browser via varvalue. The varset.inc.php request loop allowlists parameter names but appends each unencoded value to the login target URL, permitting markup and script injection. Low-privileged access is required, and a victim must follow the crafted flow before the injected script executes in that victim's browser.

The record

CVE
CVE-2022-4514
Published
Dec 15, 2022
Updated
Apr 15, 2025
Vendor
Opencaching Deutschland e.V.
Product
oc-server3
Classifications
CWE-79, CWE-707, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 15, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 15, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Opencaching Deutschland e.V. · oc-server3version=n/a

Published CVSS scores

3.5VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-707Improper Neutralization
T1203Exploitation for Client Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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