CVE-2025-6533
Description
A vulnerability, which was classified as critical, has been found in xxyopen/201206030 novel-plus up to 5.1.3. Affected by this issue is the function ajaxLogin of the file novel-admin/src/main/java/com/java2nb/system/controller/LoginController.java of the component CATCHA Handler. The manipulation leads to authentication bypass by capture-replay. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. 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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| xxyopen | novel-plus | {"endIncluding":"5.1.3"} | |
References
- https://blog.0xd00.com/blog/captcha-replay-attack-lead-to-brute-force-protection-bypass
- https://blog.0xd00.com/blog/captcha-replay-attack-lead-to-brute-force-protection-bypass#poc
- https://vuldb.com/?ctiid.313652
- https://vuldb.com/?id.313652
- https://vuldb.com/?submit.596481
- https://blog.0xd00.com/blog/captcha-replay-attack-lead-to-brute-force-protection-bypass
CWEs
CWE-287 CWE-294 CWE-307
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.