CVE-2023-0734 — Improper Authorization in GitHub repository wallabag/wallabag prior to 2

Improper Authorization in GitHub repository wallabag/wallabag prior to 2.5.4.

01What is this vulnerability?

Improper Authorization in GitHub repository wallabag/wallabag prior to 2.5.4.

02Affected products

Vendor	Product	Versions
wallabag	wallabag/wallabag	unspecified

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: 2023-03-05T00:00:00.000Z
• Last modified: 2025-03-06T16:29:59.398Z

09References

• huntr.dev — https://huntr.dev/bounties/a296324c-6925-4f5f-a729-39b0d73d5b8b
• github.com — https://github.com/wallabag/wallabag/commit/acd285dcbb71b595e6320bb1d0d3a44cdf64…