CVE-2017-20174
CWE-74Published: January 19, 2023· Updated: Jun 17, 2026
Official Description
A vulnerability was found in bastianallgeier Kirby Webmentions Plugin and classified as problematic. Affected by this issue is some unknown functionality. The manipulation leads to injection. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The patch is identified as 55bedea78ae9af916a9a41497bd9996417851502. It is recommended to apply a patch to fix this issue. VDB-218894 is the identifier assigned to this vulnerability.
Risk Analysis
The Kirby Webmentions Plugin for GetKirby is vulnerable to injection attacks. While the attack complexity is high, the vulnerability is rated as critical with a 9.8 CVSS score due to the potential for remote exploitation.
No public exploit is known, and it is not in the CISA KEV. Despite the high complexity, it remains remotely exploitable.
Apply the patch identified by the hash 55bedea78ae9af916a9a41497bd9996417851502.
Technical Analysis
CVE-2017-20174 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (6)
Quick Facts
Related CVEs (CWE-74)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2017-20174 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts