Zope is an open-source web application server. The title property, available on most Zope objects, can be used to store script code that is executed while viewing the affected object in the Zope Management Interface (ZMI). All versions of Zope 4 and Zope 5 are affected. Patches will be released with Zope versions 4.8.11 and 5.8.6.
CVE-2023-44389
This low-severity CVE scores 3.1 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 41% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.8
- EG Score
- 3.1(medium)
- EPSS
- 32.5%
- KEV
- Not listed
Published
October 4, 2023
Last Modified
June 17, 2026
References (6)
- security-advisories@githubhttps://github.com/zopefoundation/Zope/commit/21dfa78609ffd8b6bd8143805678ebbacae5141a
- security-advisories@githubhttps://github.com/zopefoundation/Zope/commit/aeaf2cdc80dff60815e3706af448f086ddc3b98d
- security-advisories@githubhttps://github.com/zopefoundation/Zope/security/advisories/GHSA-m755-gxxg-r5qh
- af854a3a-2127-422b-91ae-364da2661108https://github.com/zopefoundation/Zope/commit/21dfa78609ffd8b6bd8143805678ebbacae5141a
- af854a3a-2127-422b-91ae-364da2661108https://github.com/zopefoundation/Zope/commit/aeaf2cdc80dff60815e3706af448f086ddc3b98d
- af854a3a-2127-422b-91ae-364da2661108https://github.com/zopefoundation/Zope/security/advisories/GHSA-m755-gxxg-r5qh
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| zope | 4.0 ... 5.8.5 (57 versions) | 4.8.11 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 48× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:26 UTCEPSS rescore
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- 2026-07-09 19:08 UTCEPSS rescore
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- 2026-06-27 08:34 UTCOSV refresh
- 2026-06-27 03:07 UTCEPSS rescore
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- 2026-06-24 06:23 UTCNVD updateCVSS v3 → 4.8 · severity → MEDIUM
- 2026-06-23 21:31 UTCEPSS rescore
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- 2026-06-22 14:24 UTCEPSS rescore
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- 2026-06-11 13:59 UTCEPSS rescore
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- 2026-06-10 22:17 UTCEPSS rescore
- 2026-06-10 13:21 UTCEPSS rescore
- 2026-06-10 13:21 UTCEPSS rescore
- 2026-06-09 19:17 UTCOSV refresh
- 2026-06-08 14:16 UTCEPSS rescore
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- 2026-06-07 15:23 UTCEPSS rescore
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- 2026-06-01 13:51 UTCEPSS rescore
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- 2026-05-31 22:30 UTCEPSS rescore
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- 2026-05-29 13:43 UTCEPSS rescore
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- 2026-05-28 13:44 UTCEPSS rescore
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- 2026-05-27 13:39 UTCEPSS rescore
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- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-24 16:29 UTCEG score recompute
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2023-44389?
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What is the CVSS score of CVE-2023-44389?
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Dependency Blast Radius
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