CVE-2023-51323 — A lack of rate limiting in the 'Forgot Password' feature of PHPJabbers Shared As

A lack of rate limiting in the 'Forgot Password' feature of PHPJabbers Shared Asset Booking System v1.0 allows attackers to send an excessive amount of email for a legitimate user, leading to a possible Denial of Service (DoS) via a large amount of generated e-mail mess

01What is this vulnerability?

A lack of rate limiting in the 'Forgot Password' feature of PHPJabbers Shared Asset Booking System v1.0 allows attackers to send an excessive amount of email for a legitimate user, leading to a possible Denial of Service (DoS) via a large amount of generated e-mail messages.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2025-02-20T00:00:00.000Z
• Last modified: 2025-11-04T18:21:11.651Z

09References

• www.phpjabbers.com — https://www.phpjabbers.com/shared-asset-booking-system/#sectionDemo
• packetstorm.news — https://packetstorm.news/files/id/176503