xxyopen Novel-Plus searchByPage sql injection

published 2025-04-22 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-12336

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits: 0; none known

A vulnerability was found in xxyopen Novel-Plus 5.1.0. It has been classified as critical. This affects the function searchByPage of the file /book/searchByPage. The manipulation of the argument sort leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 18 mo ago (2025-04-22)

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/exp3n5ive/Vul/blob/main/novel_plus-sqli/novel_plus-sqli.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA	3.0	6.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

xxyopen Novel-Plus

Classification

Weakness

CWE-89 Improper Neutralization of Special Elements used in an SQL Command
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

github.com /exp3n5ive/Vul/blob/main/novel_plus-sqli/novel_plus-sqli.md
exploit, third-party-advisory
vuldb.com /?id.305781
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.305781
signature, permissions-required, vdb-entry
vuldb.com /?submit.557011
third-party-advisory, vdb-entry

Sources

CVE List CVE-2025-3856
NVD CVE-2025-3856

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