Cross-site Scripting in beetl-bbs

published 2024-01-23 2 y ago modified 2026-06-17 4 mo ago also GHSA-v9wr-2xrg-v7w8 , EUVD-2024-0436

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits: 0; none known

Cross Site Scripting (XSS) vulnerability in beetl-bbs 2.0 allows attackers to run arbitrary code via the /index keyword parameter.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-09-10)

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/cui2shark/security/blob/main/beetl-bbs%20-%20A%20reflected%20cross-site%20scripting%20%28XSS%29%20vulnerability%20was%20discovered%20in%20the%20search%20box.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
GitHub	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	com.ibeetl:beetl	<=2.0.0	no fix listed

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /cui2shark/security/blob/main/beetl-bbs%20-%20A%20reflected%20cross-site%20scripting%20%28XSS%29%20vulnerabili
web, exploit, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2024-22490
advisory

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary