CVE-2026-0688

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Source
https://cve.org/CVERecord?id=CVE-2026-0688
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-0688.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-0688
Published
2026-04-02T07:39:34.999Z
Modified
2026-07-15T01:49:11.130624347Z
Severity
  • 6.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N CVSS Calculator
Summary
Webmention <= 5.6.2 - Authenticated (Subscriber+) Server-Side Request Forgery
Details

The Webmention plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 5.6.2 via the 'Tools::read' function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

Database specific 
{
    "cwe_ids": [
        "CWE-918"
    ],
    "cna_assigner": "Wordfence",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0688.json"
}
References

Affected packages

Git / github.com/pfefferle/wordpress-webmention

Affected ranges

Type
GIT
Repo
https://github.com/pfefferle/wordpress-webmention
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
06f60c4f66c225abaec9d32dd9ac00eb32c05515
Database specific 
{
    "source": "AFFECTED_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "5.6.2"
        }
    ]
}

Affected versions

2.*
2.4.0
2.5.0
2.6.0
3.*
3.0.0
3.0.0-beta1
3.0.1
3.1.0
3.1.1
3.2.1
3.3.0
3.4.0
3.4.1
3.5.0
3.6.0
3.7.0
3.8.0
3.8.1
3.8.10
3.8.11
3.8.2
3.8.4
3.8.5
3.8.6
3.8.7
3.8.8
3.8.9
4.*
4.0.0
4.0.1
4.0.2
4.0.3
5.*
5.0.0
5.1.0
5.1.1
5.1.2
5.1.3
5.1.4
5.1.5
5.1.6
5.1.7
5.1.8
5.1.9
5.2.0
5.2.1
5.2.2
5.2.3
5.2.4
5.2.5
5.2.6
5.3.0
5.3.1
5.3.2
5.3.3
5.4.0
5.4.1
5.5.0
5.6.0
5.6.1
5.6.2
Other
mf2-version

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-0688.json"