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Description
Jenkins GitLab Branch Source Plugin 684.vea_fa_7c1e2fe3 and earlier does not require POST requests for a form validation endpoint, resulting in a cross-site request forgery (CSRF) vulnerability.
This vulnerability allows attackers to connect to an attacker-specified URL.
GitLab Branch Source Plugin 688.v5fa_356ee8520 requires POST requests for the affected form validation endpoint.
Basic information
Type
reviewed
Severity
medium Advisory on GitHub
Open advisory ↗ Repository advisory
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Source code
Browse source ↗ Published (advisory)
2024-01-24 18:31:02 UTC
Updated
2024-01-31 21:46:16 UTC
GitHub reviewed
2024-01-24 21:50:26 UTC
NVD published
2024-01-24
EPSS Score
Score
Percentile
0.05%
14.85%
CVSS Scores
Base score
Version
Severity
Vector
4.3
3.1
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CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
CWEs
CWE id
Name
CWE-352
Cross-Site Request Forgery (CSRF)
Affected packages (1)
Vulnerable version ranges and first patched releases as published by GitHub.
Ecosystem
Package
Vulnerable range
First patched
Vulnerable functions
maven
io.jenkins.plugins:gitlab-branch-source < 688.v5fa
688.v5fa
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cvelogic
Threat Intelligence