CVE-2022-47034 — A type juggling vulnerability in the component /auth/fn

A type juggling vulnerability in the component /auth/fn.php of PlaySMS v1.4.5 and earlier allows attackers to bypass authentication.

01What is this vulnerability?

A type juggling vulnerability in the component /auth/fn.php of PlaySMS v1.4.5 and earlier allows attackers to bypass authentication.

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: 2023-02-13T00:00:00.000Z
• Last modified: 2025-03-21T18:23:41.722Z

09References

• github.com — https://github.com/playsms/playsms/commit/dd23673a00c052e113c6d44eb629dc355d3c06…
• gist.github.com — https://gist.github.com/tonino-25/d2316094cc751cc7a8e2c1ae6dbecfe9